diff --git a/ast/asdl_rs.py b/ast/asdl_rs.py
index f06170551e257..06ee2e571e868 100755
--- a/ast/asdl_rs.py
+++ b/ast/asdl_rs.py
@@ -449,7 +449,7 @@ def gen_classdef(self, name, fields, attrs, depth, base="AstNode"):
             f"ctx.new_str(ascii!({json.dumps(f.name)})).into()" for f in fields
         )
         self.emit(
-            f"class.set_attr(identifier!(ctx, _fields), ctx.new_list(vec![{fields}]).into());",
+            f"class.set_attr(identifier!(ctx, _fields), ctx.new_tuple(vec![{fields}]).into());",
             depth + 2,
         )
         attrs = ",".join(
diff --git a/core/src/location.rs b/core/src/location.rs
index 73d6ec89d22cb..c4b7aa1fa95cd 100644
--- a/core/src/location.rs
+++ b/core/src/location.rs
@@ -43,7 +43,7 @@ impl Location {
 
     pub fn reset(&mut self) {
         self.row = 1;
-        self.column = 1;
+        self.column = 0;
     }
 
     pub fn go_right(&mut self) {
diff --git a/parser/src/parser.rs b/parser/src/parser.rs
index 90903cf2484eb..9bab28cf2c9d0 100644
--- a/parser/src/parser.rs
+++ b/parser/src/parser.rs
@@ -35,13 +35,13 @@ pub fn parse_program(source: &str, source_path: &str) -> Result<ast::Suite, Pars
 /// assert_eq!(
 ///     expr,
 ///     ast::Expr {
-///         location: ast::Location::new(1, 3),
-///         end_location: Some(ast::Location::new(1, 6)),
+///         location: ast::Location::new(1, 2),
+///         end_location: Some(ast::Location::new(1, 5)),
 ///         custom: (),
 ///         node: ast::ExprKind::BinOp {
 ///             left: Box::new(ast::Expr {
-///                 location: ast::Location::new(1, 1),
-///                 end_location: Some(ast::Location::new(1, 2)),
+///                 location: ast::Location::new(1, 0),
+///                 end_location: Some(ast::Location::new(1, 1)),
 ///                 custom: (),
 ///                 node: ast::ExprKind::Constant {
 ///                     value: ast::Constant::Int(1.into()),
@@ -50,8 +50,8 @@ pub fn parse_program(source: &str, source_path: &str) -> Result<ast::Suite, Pars
 ///             }),
 ///             op: ast::Operator::Add,
 ///             right: Box::new(ast::Expr {
-///                 location: ast::Location::new(1, 5),
-///                 end_location: Some(ast::Location::new(1, 6)),
+///                 location: ast::Location::new(1, 4),
+///                 end_location: Some(ast::Location::new(1, 5)),
 ///                 custom: (),
 ///                 node: ast::ExprKind::Constant {
 ///                     value: ast::Constant::Int(2.into()),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__ann_assign_name.snap b/parser/src/snapshots/rustpython_parser__context__tests__ann_assign_name.snap
index 71888a6fe89bd..78ccf76818a9d 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__ann_assign_name.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__ann_assign_name.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 11,
+                column: 10,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             target: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 2,
+                        column: 1,
                     },
                 ),
                 custom: (),
@@ -36,12 +36,12 @@ expression: parse_ast
             annotation: Located {
                 location: Location {
                     row: 1,
-                    column: 4,
+                    column: 3,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 7,
+                        column: 6,
                     },
                 ),
                 custom: (),
@@ -54,12 +54,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 10,
+                        column: 9,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 11,
+                            column: 10,
                         },
                     ),
                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__assign_attribute.snap b/parser/src/snapshots/rustpython_parser__context__tests__assign_attribute.snap
index ff527afbc94fd..a247b5663d728 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__assign_attribute.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__assign_attribute.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 16,
+                column: 15,
             },
         ),
         custom: (),
@@ -20,12 +20,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 1,
+                        column: 0,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 4,
+                            column: 3,
                         },
                     ),
                     custom: (),
@@ -33,12 +33,12 @@ expression: parse_ast
                         value: Located {
                             location: Location {
                                 row: 1,
-                                column: 1,
+                                column: 0,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 2,
+                                    column: 1,
                                 },
                             ),
                             custom: (),
@@ -55,12 +55,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 8,
+                    column: 7,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 15,
+                        column: 14,
                     },
                 ),
                 custom: (),
@@ -69,12 +69,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 8,
+                                column: 7,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 9,
+                                    column: 8,
                                 },
                             ),
                             custom: (),
@@ -88,12 +88,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 11,
+                                column: 10,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 12,
+                                    column: 11,
                                 },
                             ),
                             custom: (),
@@ -107,12 +107,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 14,
+                                column: 13,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 15,
+                                    column: 14,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__assign_for.snap b/parser/src/snapshots/rustpython_parser__context__tests__assign_for.snap
index e9bb38615e986..bbacec76320ba 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__assign_for.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__assign_for.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 25,
+                column: 24,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             target: Located {
                 location: Location {
                     row: 1,
-                    column: 5,
+                    column: 4,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 6,
+                        column: 5,
                     },
                 ),
                 custom: (),
@@ -36,12 +36,12 @@ expression: parse_ast
             iter: Located {
                 location: Location {
                     row: 1,
-                    column: 11,
+                    column: 10,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 18,
+                        column: 17,
                     },
                 ),
                 custom: (),
@@ -50,12 +50,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 11,
+                                column: 10,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 12,
+                                    column: 11,
                                 },
                             ),
                             custom: (),
@@ -69,12 +69,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 14,
+                                column: 13,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 15,
+                                    column: 14,
                                 },
                             ),
                             custom: (),
@@ -88,12 +88,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 17,
+                                column: 16,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 18,
+                                    column: 17,
                                 },
                             ),
                             custom: (),
@@ -112,12 +112,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 21,
+                        column: 20,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 25,
+                            column: 24,
                         },
                     ),
                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__assign_list.snap b/parser/src/snapshots/rustpython_parser__context__tests__assign_list.snap
index acedc47fa6d87..c90e5a35e49cb 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__assign_list.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__assign_list.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 19,
+                column: 18,
             },
         ),
         custom: (),
@@ -20,12 +20,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 1,
+                        column: 0,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 7,
+                            column: 6,
                         },
                     ),
                     custom: (),
@@ -34,12 +34,12 @@ expression: parse_ast
                             Located {
                                 location: Location {
                                     row: 1,
-                                    column: 2,
+                                    column: 1,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 3,
+                                        column: 2,
                                     },
                                 ),
                                 custom: (),
@@ -51,12 +51,12 @@ expression: parse_ast
                             Located {
                                 location: Location {
                                     row: 1,
-                                    column: 5,
+                                    column: 4,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 6,
+                                        column: 5,
                                     },
                                 ),
                                 custom: (),
@@ -73,12 +73,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 11,
+                    column: 10,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 18,
+                        column: 17,
                     },
                 ),
                 custom: (),
@@ -87,12 +87,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 11,
+                                column: 10,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 12,
+                                    column: 11,
                                 },
                             ),
                             custom: (),
@@ -106,12 +106,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 14,
+                                column: 13,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 15,
+                                    column: 14,
                                 },
                             ),
                             custom: (),
@@ -125,12 +125,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 17,
+                                column: 16,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 18,
+                                    column: 17,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__assign_list_comp.snap b/parser/src/snapshots/rustpython_parser__context__tests__assign_list_comp.snap
index 68db2bcee8dbf..9b6d6ac9d2390 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__assign_list_comp.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__assign_list_comp.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 27,
+                column: 26,
             },
         ),
         custom: (),
@@ -20,12 +20,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 1,
+                        column: 0,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 2,
+                            column: 1,
                         },
                     ),
                     custom: (),
@@ -38,12 +38,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 5,
+                    column: 4,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 27,
+                        column: 26,
                     },
                 ),
                 custom: (),
@@ -51,12 +51,12 @@ expression: parse_ast
                     elt: Located {
                         location: Location {
                             row: 1,
-                            column: 6,
+                            column: 5,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 7,
+                                column: 6,
                             },
                         ),
                         custom: (),
@@ -70,12 +70,12 @@ expression: parse_ast
                             target: Located {
                                 location: Location {
                                     row: 1,
-                                    column: 12,
+                                    column: 11,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 13,
+                                        column: 12,
                                     },
                                 ),
                                 custom: (),
@@ -87,12 +87,12 @@ expression: parse_ast
                             iter: Located {
                                 location: Location {
                                     row: 1,
-                                    column: 18,
+                                    column: 17,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 25,
+                                        column: 24,
                                     },
                                 ),
                                 custom: (),
@@ -101,12 +101,12 @@ expression: parse_ast
                                         Located {
                                             location: Location {
                                                 row: 1,
-                                                column: 18,
+                                                column: 17,
                                             },
                                             end_location: Some(
                                                 Location {
                                                     row: 1,
-                                                    column: 19,
+                                                    column: 18,
                                                 },
                                             ),
                                             custom: (),
@@ -120,12 +120,12 @@ expression: parse_ast
                                         Located {
                                             location: Location {
                                                 row: 1,
-                                                column: 21,
+                                                column: 20,
                                             },
                                             end_location: Some(
                                                 Location {
                                                     row: 1,
-                                                    column: 22,
+                                                    column: 21,
                                                 },
                                             ),
                                             custom: (),
@@ -139,12 +139,12 @@ expression: parse_ast
                                         Located {
                                             location: Location {
                                                 row: 1,
-                                                column: 24,
+                                                column: 23,
                                             },
                                             end_location: Some(
                                                 Location {
                                                     row: 1,
-                                                    column: 25,
+                                                    column: 24,
                                                 },
                                             ),
                                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__assign_name.snap b/parser/src/snapshots/rustpython_parser__context__tests__assign_name.snap
index 7db0871ce8b85..e0cdb8580ae10 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__assign_name.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__assign_name.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 14,
+                column: 13,
             },
         ),
         custom: (),
@@ -20,12 +20,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 1,
+                        column: 0,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 2,
+                            column: 1,
                         },
                     ),
                     custom: (),
@@ -38,12 +38,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 6,
+                    column: 5,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 13,
+                        column: 12,
                     },
                 ),
                 custom: (),
@@ -52,12 +52,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 6,
+                                column: 5,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 7,
+                                    column: 6,
                                 },
                             ),
                             custom: (),
@@ -71,12 +71,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 9,
+                                column: 8,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 10,
+                                    column: 9,
                                 },
                             ),
                             custom: (),
@@ -90,12 +90,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 12,
+                                column: 11,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 13,
+                                    column: 12,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__assign_named_expr.snap b/parser/src/snapshots/rustpython_parser__context__tests__assign_named_expr.snap
index cc55850014e93..68d212a45c53b 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__assign_named_expr.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__assign_named_expr.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 15,
+                column: 14,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             test: Located {
                 location: Location {
                     row: 1,
-                    column: 4,
+                    column: 3,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 9,
+                        column: 8,
                     },
                 ),
                 custom: (),
@@ -32,12 +32,12 @@ expression: parse_ast
                     target: Located {
                         location: Location {
                             row: 1,
-                            column: 4,
+                            column: 3,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 9,
+                                column: 8,
                             },
                         ),
                         custom: (),
@@ -49,12 +49,12 @@ expression: parse_ast
                     value: Located {
                         location: Location {
                             row: 1,
-                            column: 8,
+                            column: 7,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 9,
+                                column: 8,
                             },
                         ),
                         custom: (),
@@ -71,12 +71,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 11,
+                        column: 10,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 15,
+                            column: 14,
                         },
                     ),
                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__assign_set_comp.snap b/parser/src/snapshots/rustpython_parser__context__tests__assign_set_comp.snap
index a4b587d9ed5ea..84dba8206fa83 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__assign_set_comp.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__assign_set_comp.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 27,
+                column: 26,
             },
         ),
         custom: (),
@@ -20,12 +20,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 1,
+                        column: 0,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 2,
+                            column: 1,
                         },
                     ),
                     custom: (),
@@ -38,12 +38,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 5,
+                    column: 4,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 27,
+                        column: 26,
                     },
                 ),
                 custom: (),
@@ -51,12 +51,12 @@ expression: parse_ast
                     elt: Located {
                         location: Location {
                             row: 1,
-                            column: 6,
+                            column: 5,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 7,
+                                column: 6,
                             },
                         ),
                         custom: (),
@@ -70,12 +70,12 @@ expression: parse_ast
                             target: Located {
                                 location: Location {
                                     row: 1,
-                                    column: 12,
+                                    column: 11,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 13,
+                                        column: 12,
                                     },
                                 ),
                                 custom: (),
@@ -87,12 +87,12 @@ expression: parse_ast
                             iter: Located {
                                 location: Location {
                                     row: 1,
-                                    column: 18,
+                                    column: 17,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 25,
+                                        column: 24,
                                     },
                                 ),
                                 custom: (),
@@ -101,12 +101,12 @@ expression: parse_ast
                                         Located {
                                             location: Location {
                                                 row: 1,
-                                                column: 18,
+                                                column: 17,
                                             },
                                             end_location: Some(
                                                 Location {
                                                     row: 1,
-                                                    column: 19,
+                                                    column: 18,
                                                 },
                                             ),
                                             custom: (),
@@ -120,12 +120,12 @@ expression: parse_ast
                                         Located {
                                             location: Location {
                                                 row: 1,
-                                                column: 21,
+                                                column: 20,
                                             },
                                             end_location: Some(
                                                 Location {
                                                     row: 1,
-                                                    column: 22,
+                                                    column: 21,
                                                 },
                                             ),
                                             custom: (),
@@ -139,12 +139,12 @@ expression: parse_ast
                                         Located {
                                             location: Location {
                                                 row: 1,
-                                                column: 24,
+                                                column: 23,
                                             },
                                             end_location: Some(
                                                 Location {
                                                     row: 1,
-                                                    column: 25,
+                                                    column: 24,
                                                 },
                                             ),
                                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__assign_starred.snap b/parser/src/snapshots/rustpython_parser__context__tests__assign_starred.snap
index 775e47bfca148..2e4256e2fc66a 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__assign_starred.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__assign_starred.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 20,
+                column: 19,
             },
         ),
         custom: (),
@@ -20,12 +20,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 2,
+                        column: 1,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 7,
+                            column: 6,
                         },
                     ),
                     custom: (),
@@ -34,12 +34,12 @@ expression: parse_ast
                             Located {
                                 location: Location {
                                     row: 1,
-                                    column: 2,
+                                    column: 1,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 3,
+                                        column: 2,
                                     },
                                 ),
                                 custom: (),
@@ -51,12 +51,12 @@ expression: parse_ast
                             Located {
                                 location: Location {
                                     row: 1,
-                                    column: 5,
+                                    column: 4,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 7,
+                                        column: 6,
                                     },
                                 ),
                                 custom: (),
@@ -64,12 +64,12 @@ expression: parse_ast
                                     value: Located {
                                         location: Location {
                                             row: 1,
-                                            column: 6,
+                                            column: 5,
                                         },
                                         end_location: Some(
                                             Location {
                                                 row: 1,
-                                                column: 7,
+                                                column: 6,
                                             },
                                         ),
                                         custom: (),
@@ -89,12 +89,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 12,
+                    column: 11,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 19,
+                        column: 18,
                     },
                 ),
                 custom: (),
@@ -103,12 +103,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 12,
+                                column: 11,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 13,
+                                    column: 12,
                                 },
                             ),
                             custom: (),
@@ -122,12 +122,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 15,
+                                column: 14,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 16,
+                                    column: 15,
                                 },
                             ),
                             custom: (),
@@ -141,12 +141,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 18,
+                                column: 17,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 19,
+                                    column: 18,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__assign_subscript.snap b/parser/src/snapshots/rustpython_parser__context__tests__assign_subscript.snap
index 707be61dc6e0f..28420ebc00256 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__assign_subscript.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__assign_subscript.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 17,
+                column: 16,
             },
         ),
         custom: (),
@@ -20,12 +20,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 1,
+                        column: 0,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 5,
+                            column: 4,
                         },
                     ),
                     custom: (),
@@ -33,12 +33,12 @@ expression: parse_ast
                         value: Located {
                             location: Location {
                                 row: 1,
-                                column: 1,
+                                column: 0,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 2,
+                                    column: 1,
                                 },
                             ),
                             custom: (),
@@ -50,12 +50,12 @@ expression: parse_ast
                         slice: Located {
                             location: Location {
                                 row: 1,
-                                column: 3,
+                                column: 2,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 4,
+                                    column: 3,
                                 },
                             ),
                             custom: (),
@@ -71,12 +71,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 9,
+                    column: 8,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 16,
+                        column: 15,
                     },
                 ),
                 custom: (),
@@ -85,12 +85,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 9,
+                                column: 8,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 10,
+                                    column: 9,
                                 },
                             ),
                             custom: (),
@@ -104,12 +104,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 12,
+                                column: 11,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 13,
+                                    column: 12,
                                 },
                             ),
                             custom: (),
@@ -123,12 +123,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 15,
+                                column: 14,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 16,
+                                    column: 15,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__assign_tuple.snap b/parser/src/snapshots/rustpython_parser__context__tests__assign_tuple.snap
index 08dfed4a913c7..30a51df8f8a12 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__assign_tuple.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__assign_tuple.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 19,
+                column: 18,
             },
         ),
         custom: (),
@@ -20,12 +20,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 2,
+                        column: 1,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 6,
+                            column: 5,
                         },
                     ),
                     custom: (),
@@ -34,12 +34,12 @@ expression: parse_ast
                             Located {
                                 location: Location {
                                     row: 1,
-                                    column: 2,
+                                    column: 1,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 3,
+                                        column: 2,
                                     },
                                 ),
                                 custom: (),
@@ -51,12 +51,12 @@ expression: parse_ast
                             Located {
                                 location: Location {
                                     row: 1,
-                                    column: 5,
+                                    column: 4,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 6,
+                                        column: 5,
                                     },
                                 ),
                                 custom: (),
@@ -73,12 +73,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 11,
+                    column: 10,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 18,
+                        column: 17,
                     },
                 ),
                 custom: (),
@@ -87,12 +87,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 11,
+                                column: 10,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 12,
+                                    column: 11,
                                 },
                             ),
                             custom: (),
@@ -106,12 +106,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 14,
+                                column: 13,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 15,
+                                    column: 14,
                                 },
                             ),
                             custom: (),
@@ -125,12 +125,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 17,
+                                column: 16,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 18,
+                                    column: 17,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__assign_with.snap b/parser/src/snapshots/rustpython_parser__context__tests__assign_with.snap
index 88d144111edd3..100b672820a4b 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__assign_with.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__assign_with.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 18,
+                column: 17,
             },
         ),
         custom: (),
@@ -21,12 +21,12 @@ expression: parse_ast
                     context_expr: Located {
                         location: Location {
                             row: 1,
-                            column: 6,
+                            column: 5,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 7,
+                                column: 6,
                             },
                         ),
                         custom: (),
@@ -41,12 +41,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 11,
+                                column: 10,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 12,
+                                    column: 11,
                                 },
                             ),
                             custom: (),
@@ -62,12 +62,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 14,
+                        column: 13,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 18,
+                            column: 17,
                         },
                     ),
                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__aug_assign_attribute.snap b/parser/src/snapshots/rustpython_parser__context__tests__aug_assign_attribute.snap
index ea0d870909b95..3ba9d045c1807 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__aug_assign_attribute.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__aug_assign_attribute.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 17,
+                column: 16,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             target: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 4,
+                        column: 3,
                     },
                 ),
                 custom: (),
@@ -32,12 +32,12 @@ expression: parse_ast
                     value: Located {
                         location: Location {
                             row: 1,
-                            column: 1,
+                            column: 0,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 2,
+                                column: 1,
                             },
                         ),
                         custom: (),
@@ -54,12 +54,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 9,
+                    column: 8,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 16,
+                        column: 15,
                     },
                 ),
                 custom: (),
@@ -68,12 +68,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 9,
+                                column: 8,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 10,
+                                    column: 9,
                                 },
                             ),
                             custom: (),
@@ -87,12 +87,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 12,
+                                column: 11,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 13,
+                                    column: 12,
                                 },
                             ),
                             custom: (),
@@ -106,12 +106,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 15,
+                                column: 14,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 16,
+                                    column: 15,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__aug_assign_name.snap b/parser/src/snapshots/rustpython_parser__context__tests__aug_assign_name.snap
index c11ab23ddf989..0035310f1dbc9 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__aug_assign_name.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__aug_assign_name.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 7,
+                column: 6,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             target: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 2,
+                        column: 1,
                     },
                 ),
                 custom: (),
@@ -37,12 +37,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 6,
+                    column: 5,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 7,
+                        column: 6,
                     },
                 ),
                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__aug_assign_subscript.snap b/parser/src/snapshots/rustpython_parser__context__tests__aug_assign_subscript.snap
index 0ef667d7b74fb..ebb262a342f64 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__aug_assign_subscript.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__aug_assign_subscript.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 18,
+                column: 17,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             target: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 5,
+                        column: 4,
                     },
                 ),
                 custom: (),
@@ -32,12 +32,12 @@ expression: parse_ast
                     value: Located {
                         location: Location {
                             row: 1,
-                            column: 1,
+                            column: 0,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 2,
+                                column: 1,
                             },
                         ),
                         custom: (),
@@ -49,12 +49,12 @@ expression: parse_ast
                     slice: Located {
                         location: Location {
                             row: 1,
-                            column: 3,
+                            column: 2,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 4,
+                                column: 3,
                             },
                         ),
                         custom: (),
@@ -70,12 +70,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 10,
+                    column: 9,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 17,
+                        column: 16,
                     },
                 ),
                 custom: (),
@@ -84,12 +84,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 10,
+                                column: 9,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 11,
+                                    column: 10,
                                 },
                             ),
                             custom: (),
@@ -103,12 +103,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 13,
+                                column: 12,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 14,
+                                    column: 13,
                                 },
                             ),
                             custom: (),
@@ -122,12 +122,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 16,
+                                column: 15,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 17,
+                                    column: 16,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__del_attribute.snap b/parser/src/snapshots/rustpython_parser__context__tests__del_attribute.snap
index 21de28d7142a0..f44c23b557e54 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__del_attribute.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__del_attribute.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 8,
+                column: 7,
             },
         ),
         custom: (),
@@ -20,12 +20,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 5,
+                        column: 4,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 8,
+                            column: 7,
                         },
                     ),
                     custom: (),
@@ -33,12 +33,12 @@ expression: parse_ast
                         value: Located {
                             location: Location {
                                 row: 1,
-                                column: 5,
+                                column: 4,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 6,
+                                    column: 5,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__del_name.snap b/parser/src/snapshots/rustpython_parser__context__tests__del_name.snap
index 5d8d8e8989b36..56208d2069358 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__del_name.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__del_name.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 6,
+                column: 5,
             },
         ),
         custom: (),
@@ -20,12 +20,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 5,
+                        column: 4,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 6,
+                            column: 5,
                         },
                     ),
                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__context__tests__del_subscript.snap b/parser/src/snapshots/rustpython_parser__context__tests__del_subscript.snap
index 7a85274e97212..dca2e7ceb4fb0 100644
--- a/parser/src/snapshots/rustpython_parser__context__tests__del_subscript.snap
+++ b/parser/src/snapshots/rustpython_parser__context__tests__del_subscript.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 9,
+                column: 8,
             },
         ),
         custom: (),
@@ -20,12 +20,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 5,
+                        column: 4,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 9,
+                            column: 8,
                         },
                     ),
                     custom: (),
@@ -33,12 +33,12 @@ expression: parse_ast
                         value: Located {
                             location: Location {
                                 row: 1,
-                                column: 5,
+                                column: 4,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 6,
+                                    column: 5,
                                 },
                             ),
                             custom: (),
@@ -50,12 +50,12 @@ expression: parse_ast
                         slice: Located {
                             location: Location {
                                 row: 1,
-                                column: 7,
+                                column: 6,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 8,
+                                    column: 7,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__fstring__tests__fstring_parse_selfdocumenting_base.snap b/parser/src/snapshots/rustpython_parser__fstring__tests__fstring_parse_selfdocumenting_base.snap
index d54af22b90f41..0941873f44a9b 100644
--- a/parser/src/snapshots/rustpython_parser__fstring__tests__fstring_parse_selfdocumenting_base.snap
+++ b/parser/src/snapshots/rustpython_parser__fstring__tests__fstring_parse_selfdocumenting_base.snap
@@ -57,12 +57,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 2,
+                    column: 1,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 6,
+                        column: 5,
                     },
                 ),
                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__fstring__tests__fstring_parse_selfdocumenting_base_more.snap b/parser/src/snapshots/rustpython_parser__fstring__tests__fstring_parse_selfdocumenting_base_more.snap
index df3a617e6c61e..92a05f21f4f43 100644
--- a/parser/src/snapshots/rustpython_parser__fstring__tests__fstring_parse_selfdocumenting_base_more.snap
+++ b/parser/src/snapshots/rustpython_parser__fstring__tests__fstring_parse_selfdocumenting_base_more.snap
@@ -76,12 +76,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 2,
+                    column: 1,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 6,
+                        column: 5,
                     },
                 ),
                 custom: (),
@@ -167,12 +167,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 2,
+                    column: 1,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 8,
+                        column: 7,
                     },
                 ),
                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__fstring__tests__fstring_parse_selfdocumenting_format.snap b/parser/src/snapshots/rustpython_parser__fstring__tests__fstring_parse_selfdocumenting_format.snap
index a224dd43409eb..ab5ea8cd26965 100644
--- a/parser/src/snapshots/rustpython_parser__fstring__tests__fstring_parse_selfdocumenting_format.snap
+++ b/parser/src/snapshots/rustpython_parser__fstring__tests__fstring_parse_selfdocumenting_format.snap
@@ -57,12 +57,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 2,
+                    column: 1,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 6,
+                        column: 5,
                     },
                 ),
                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring.snap b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring.snap
index d81ee52de2723..92428aae65075 100644
--- a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring.snap
+++ b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring.snap
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 2,
+                    column: 1,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 3,
+                        column: 2,
                     },
                 ),
                 custom: (),
@@ -53,12 +53,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 3,
+                    column: 2,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 4,
+                        column: 3,
                     },
                 ),
                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_equals.snap b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_equals.snap
index 3b50a46e91d84..efc583728229c 100644
--- a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_equals.snap
+++ b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_equals.snap
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 5,
+                    column: 4,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 10,
+                        column: 9,
                     },
                 ),
                 custom: (),
@@ -32,12 +32,12 @@ expression: parse_ast
                     left: Located {
                         location: Location {
                             row: 1,
-                            column: 2,
+                            column: 1,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 4,
+                                column: 3,
                             },
                         ),
                         custom: (),
@@ -55,12 +55,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 8,
+                                column: 7,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 10,
+                                    column: 9,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_nested_spec.snap b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_nested_spec.snap
index a8d98238edb2d..ce4133796d05e 100644
--- a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_nested_spec.snap
+++ b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_nested_spec.snap
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 2,
+                    column: 1,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 5,
+                        column: 4,
                     },
                 ),
                 custom: (),
@@ -65,12 +65,12 @@ expression: parse_ast
                                     value: Located {
                                         location: Location {
                                             row: 1,
-                                            column: 2,
+                                            column: 1,
                                         },
                                         end_location: Some(
                                             Location {
                                                 row: 1,
-                                                column: 6,
+                                                column: 5,
                                             },
                                         ),
                                         custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_not_equals.snap b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_not_equals.snap
index 4e0f68f8b8f76..affaef805d82a 100644
--- a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_not_equals.snap
+++ b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_not_equals.snap
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 4,
+                    column: 3,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 8,
+                        column: 7,
                     },
                 ),
                 custom: (),
@@ -32,12 +32,12 @@ expression: parse_ast
                     left: Located {
                         location: Location {
                             row: 1,
-                            column: 2,
+                            column: 1,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 3,
+                                column: 2,
                             },
                         ),
                         custom: (),
@@ -55,12 +55,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 7,
+                                column: 6,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 8,
+                                    column: 7,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_not_nested_spec.snap b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_not_nested_spec.snap
index c4517c35359df..b76f7aa461cb0 100644
--- a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_not_nested_spec.snap
+++ b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_not_nested_spec.snap
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 2,
+                    column: 1,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 5,
+                        column: 4,
                     },
                 ),
                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_selfdoc_prec_space.snap b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_selfdoc_prec_space.snap
index 58efec1c040aa..c40f7e37d377c 100644
--- a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_selfdoc_prec_space.snap
+++ b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_selfdoc_prec_space.snap
@@ -57,12 +57,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 2,
+                    column: 1,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 3,
+                        column: 2,
                     },
                 ),
                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_selfdoc_trailing_space.snap b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_selfdoc_trailing_space.snap
index d9d49f2affbf3..d73746a8bf020 100644
--- a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_selfdoc_trailing_space.snap
+++ b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_selfdoc_trailing_space.snap
@@ -57,12 +57,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 2,
+                    column: 1,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 3,
+                        column: 2,
                     },
                 ),
                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_yield_expr.snap b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_yield_expr.snap
index 55aa0d1840124..767ed51b482f4 100644
--- a/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_yield_expr.snap
+++ b/parser/src/snapshots/rustpython_parser__fstring__tests__parse_fstring_yield_expr.snap
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 2,
+                    column: 1,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 7,
+                        column: 6,
                     },
                 ),
                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_class.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_class.snap
index 5797f7f26218f..d1b75de15889d 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_class.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_class.snap
@@ -6,7 +6,7 @@ expression: "parse_program(source, \"<test>\").unwrap()"
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
@@ -21,12 +21,12 @@ expression: "parse_program(source, \"<test>\").unwrap()"
                 Located {
                     location: Location {
                         row: 1,
-                        column: 11,
+                        column: 10,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 12,
+                            column: 11,
                         },
                     ),
                     custom: (),
@@ -38,12 +38,12 @@ expression: "parse_program(source, \"<test>\").unwrap()"
                 Located {
                     location: Location {
                         row: 1,
-                        column: 14,
+                        column: 13,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 15,
+                            column: 14,
                         },
                     ),
                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_dict_comprehension.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_dict_comprehension.snap
index 7d5a69fa333da..2c0bc513ba45b 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_dict_comprehension.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_dict_comprehension.snap
@@ -5,12 +5,12 @@ expression: parse_ast
 Located {
     location: Location {
         row: 1,
-        column: 1,
+        column: 0,
     },
     end_location: Some(
         Location {
             row: 1,
-            column: 20,
+            column: 19,
         },
     ),
     custom: (),
@@ -18,12 +18,12 @@ Located {
         key: Located {
             location: Location {
                 row: 1,
-                column: 2,
+                column: 1,
             },
             end_location: Some(
                 Location {
                     row: 1,
-                    column: 4,
+                    column: 3,
                 },
             ),
             custom: (),
@@ -35,12 +35,12 @@ Located {
         value: Located {
             location: Location {
                 row: 1,
-                column: 6,
+                column: 5,
             },
             end_location: Some(
                 Location {
                     row: 1,
-                    column: 8,
+                    column: 7,
                 },
             ),
             custom: (),
@@ -54,12 +54,12 @@ Located {
                 target: Located {
                     location: Location {
                         row: 1,
-                        column: 13,
+                        column: 12,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 14,
+                            column: 13,
                         },
                     ),
                     custom: (),
@@ -71,12 +71,12 @@ Located {
                 iter: Located {
                     location: Location {
                         row: 1,
-                        column: 18,
+                        column: 17,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 19,
+                            column: 18,
                         },
                     ),
                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_double_list_comprehension.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_double_list_comprehension.snap
index 9cc392c8f084e..6b04ccd92e60e 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_double_list_comprehension.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_double_list_comprehension.snap
@@ -5,12 +5,12 @@ expression: parse_ast
 Located {
     location: Location {
         row: 1,
-        column: 1,
+        column: 0,
     },
     end_location: Some(
         Location {
             row: 1,
-            column: 49,
+            column: 48,
         },
     ),
     custom: (),
@@ -18,12 +18,12 @@ Located {
         elt: Located {
             location: Location {
                 row: 1,
-                column: 2,
+                column: 1,
             },
             end_location: Some(
                 Location {
                     row: 1,
-                    column: 3,
+                    column: 2,
                 },
             ),
             custom: (),
@@ -37,12 +37,12 @@ Located {
                 target: Located {
                     location: Location {
                         row: 1,
-                        column: 8,
+                        column: 7,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 13,
+                            column: 12,
                         },
                     ),
                     custom: (),
@@ -51,12 +51,12 @@ Located {
                             Located {
                                 location: Location {
                                     row: 1,
-                                    column: 8,
+                                    column: 7,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 9,
+                                        column: 8,
                                     },
                                 ),
                                 custom: (),
@@ -68,12 +68,12 @@ Located {
                             Located {
                                 location: Location {
                                     row: 1,
-                                    column: 11,
+                                    column: 10,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 13,
+                                        column: 12,
                                     },
                                 ),
                                 custom: (),
@@ -89,12 +89,12 @@ Located {
                 iter: Located {
                     location: Location {
                         row: 1,
-                        column: 17,
+                        column: 16,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 18,
+                            column: 17,
                         },
                     ),
                     custom: (),
@@ -110,12 +110,12 @@ Located {
                 target: Located {
                     location: Location {
                         row: 1,
-                        column: 23,
+                        column: 22,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 24,
+                            column: 23,
                         },
                     ),
                     custom: (),
@@ -127,12 +127,12 @@ Located {
                 iter: Located {
                     location: Location {
                         row: 1,
-                        column: 28,
+                        column: 27,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 29,
+                            column: 28,
                         },
                     ),
                     custom: (),
@@ -145,12 +145,12 @@ Located {
                     Located {
                         location: Location {
                             row: 1,
-                            column: 35,
+                            column: 34,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 38,
+                                column: 37,
                             },
                         ),
                         custom: (),
@@ -158,12 +158,12 @@ Located {
                             left: Located {
                                 location: Location {
                                     row: 1,
-                                    column: 33,
+                                    column: 32,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 34,
+                                        column: 33,
                                     },
                                 ),
                                 custom: (),
@@ -179,12 +179,12 @@ Located {
                                 Located {
                                     location: Location {
                                         row: 1,
-                                        column: 37,
+                                        column: 36,
                                     },
                                     end_location: Some(
                                         Location {
                                             row: 1,
-                                            column: 38,
+                                            column: 37,
                                         },
                                     ),
                                     custom: (),
@@ -201,12 +201,12 @@ Located {
                     Located {
                         location: Location {
                             row: 1,
-                            column: 44,
+                            column: 43,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 48,
+                                column: 47,
                             },
                         ),
                         custom: (),
@@ -214,12 +214,12 @@ Located {
                             left: Located {
                                 location: Location {
                                     row: 1,
-                                    column: 42,
+                                    column: 41,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 43,
+                                        column: 42,
                                     },
                                 ),
                                 custom: (),
@@ -235,12 +235,12 @@ Located {
                                 Located {
                                     location: Location {
                                         row: 1,
-                                        column: 46,
+                                        column: 45,
                                     },
                                     end_location: Some(
                                         Location {
                                             row: 1,
-                                            column: 48,
+                                            column: 47,
                                         },
                                     ),
                                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_f_string.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_f_string.snap
index 13c2fc69611f2..14009d328cab4 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_f_string.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_f_string.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 15,
+                column: 14,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 15,
+                        column: 14,
                     },
                 ),
                 custom: (),
@@ -33,12 +33,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 1,
+                                column: 0,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 15,
+                                    column: 14,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_generator_comprehension.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_generator_comprehension.snap
index 1ceab19616906..89e05b2838682 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_generator_comprehension.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_generator_comprehension.snap
@@ -5,12 +5,12 @@ expression: parse_ast
 Located {
     location: Location {
         row: 1,
-        column: 1,
+        column: 0,
     },
     end_location: Some(
         Location {
             row: 1,
-            column: 15,
+            column: 14,
         },
     ),
     custom: (),
@@ -18,12 +18,12 @@ Located {
         elt: Located {
             location: Location {
                 row: 1,
-                column: 2,
+                column: 1,
             },
             end_location: Some(
                 Location {
                     row: 1,
-                    column: 3,
+                    column: 2,
                 },
             ),
             custom: (),
@@ -37,12 +37,12 @@ Located {
                 target: Located {
                     location: Location {
                         row: 1,
-                        column: 8,
+                        column: 7,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 9,
+                            column: 8,
                         },
                     ),
                     custom: (),
@@ -54,12 +54,12 @@ Located {
                 iter: Located {
                     location: Location {
                         row: 1,
-                        column: 13,
+                        column: 12,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 14,
+                            column: 13,
                         },
                     ),
                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_if_elif_else.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_if_elif_else.snap
index c628cf98cdebf..9553a379620e4 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_if_elif_else.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_if_elif_else.snap
@@ -6,7 +6,7 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
@@ -19,12 +19,12 @@ expression: parse_ast
             test: Located {
                 location: Location {
                     row: 1,
-                    column: 4,
+                    column: 3,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 5,
+                        column: 4,
                     },
                 ),
                 custom: (),
@@ -39,12 +39,12 @@ expression: parse_ast
                 Located {
                     location: Location {
                         row: 1,
-                        column: 7,
+                        column: 6,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 9,
+                            column: 8,
                         },
                     ),
                     custom: (),
@@ -52,12 +52,12 @@ expression: parse_ast
                         value: Located {
                             location: Location {
                                 row: 1,
-                                column: 7,
+                                column: 6,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 9,
+                                    column: 8,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_if_else_generator_comprehension.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_if_else_generator_comprehension.snap
index 6f8b7c27fe74d..d9762f531375b 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_if_else_generator_comprehension.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_if_else_generator_comprehension.snap
@@ -5,12 +5,12 @@ expression: parse_ast
 Located {
     location: Location {
         row: 1,
-        column: 1,
+        column: 0,
     },
     end_location: Some(
         Location {
             row: 1,
-            column: 27,
+            column: 26,
         },
     ),
     custom: (),
@@ -18,12 +18,12 @@ Located {
         elt: Located {
             location: Location {
                 row: 1,
-                column: 4,
+                column: 3,
             },
             end_location: Some(
                 Location {
                     row: 1,
-                    column: 15,
+                    column: 14,
                 },
             ),
             custom: (),
@@ -31,12 +31,12 @@ Located {
                 test: Located {
                     location: Location {
                         row: 1,
-                        column: 7,
+                        column: 6,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 8,
+                            column: 7,
                         },
                     ),
                     custom: (),
@@ -48,12 +48,12 @@ Located {
                 body: Located {
                     location: Location {
                         row: 1,
-                        column: 2,
+                        column: 1,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 3,
+                            column: 2,
                         },
                     ),
                     custom: (),
@@ -65,12 +65,12 @@ Located {
                 orelse: Located {
                     location: Location {
                         row: 1,
-                        column: 14,
+                        column: 13,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 15,
+                            column: 14,
                         },
                     ),
                     custom: (),
@@ -86,12 +86,12 @@ Located {
                 target: Located {
                     location: Location {
                         row: 1,
-                        column: 20,
+                        column: 19,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 21,
+                            column: 20,
                         },
                     ),
                     custom: (),
@@ -103,12 +103,12 @@ Located {
                 iter: Located {
                     location: Location {
                         row: 1,
-                        column: 25,
+                        column: 24,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 26,
+                            column: 25,
                         },
                     ),
                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_kwargs.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_kwargs.snap
index 61d45da804209..dfe985973161d 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_kwargs.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_kwargs.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 33,
+                column: 32,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 33,
+                        column: 32,
                     },
                 ),
                 custom: (),
@@ -32,12 +32,12 @@ expression: parse_ast
                     func: Located {
                         location: Location {
                             row: 1,
-                            column: 1,
+                            column: 0,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 8,
+                                column: 7,
                             },
                         ),
                         custom: (),
@@ -50,12 +50,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 9,
+                                column: 8,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 21,
+                                    column: 20,
                                 },
                             ),
                             custom: (),
@@ -71,12 +71,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 23,
+                                column: 22,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 32,
+                                    column: 31,
                                 },
                             ),
                             custom: (),
@@ -87,12 +87,12 @@ expression: parse_ast
                                 value: Located {
                                     location: Location {
                                         row: 1,
-                                        column: 31,
+                                        column: 30,
                                     },
                                     end_location: Some(
                                         Location {
                                             row: 1,
-                                            column: 32,
+                                            column: 31,
                                         },
                                     ),
                                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_lambda.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_lambda.snap
index 7e0395a40862d..f305878e4647d 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_lambda.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_lambda.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 19,
+                column: 18,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 19,
+                        column: 18,
                     },
                 ),
                 custom: (),
@@ -35,12 +35,12 @@ expression: parse_ast
                             Located {
                                 location: Location {
                                     row: 1,
-                                    column: 8,
+                                    column: 7,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 9,
+                                        column: 8,
                                     },
                                 ),
                                 custom: (),
@@ -53,12 +53,12 @@ expression: parse_ast
                             Located {
                                 location: Location {
                                     row: 1,
-                                    column: 11,
+                                    column: 10,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 12,
+                                        column: 11,
                                     },
                                 ),
                                 custom: (),
@@ -78,12 +78,12 @@ expression: parse_ast
                     body: Located {
                         location: Location {
                             row: 1,
-                            column: 16,
+                            column: 15,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 19,
+                                column: 18,
                             },
                         ),
                         custom: (),
@@ -91,12 +91,12 @@ expression: parse_ast
                             left: Located {
                                 location: Location {
                                     row: 1,
-                                    column: 14,
+                                    column: 13,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 15,
+                                        column: 14,
                                     },
                                 ),
                                 custom: (),
@@ -109,12 +109,12 @@ expression: parse_ast
                             right: Located {
                                 location: Location {
                                     row: 1,
-                                    column: 18,
+                                    column: 17,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 19,
+                                        column: 18,
                                     },
                                 ),
                                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_list_comprehension.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_list_comprehension.snap
index f932e7db26f9b..9af8e55ea3c81 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_list_comprehension.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_list_comprehension.snap
@@ -5,12 +5,12 @@ expression: parse_ast
 Located {
     location: Location {
         row: 1,
-        column: 1,
+        column: 0,
     },
     end_location: Some(
         Location {
             row: 1,
-            column: 15,
+            column: 14,
         },
     ),
     custom: (),
@@ -18,12 +18,12 @@ Located {
         elt: Located {
             location: Location {
                 row: 1,
-                column: 2,
+                column: 1,
             },
             end_location: Some(
                 Location {
                     row: 1,
-                    column: 3,
+                    column: 2,
                 },
             ),
             custom: (),
@@ -37,12 +37,12 @@ Located {
                 target: Located {
                     location: Location {
                         row: 1,
-                        column: 8,
+                        column: 7,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 9,
+                            column: 8,
                         },
                     ),
                     custom: (),
@@ -54,12 +54,12 @@ Located {
                 iter: Located {
                     location: Location {
                         row: 1,
-                        column: 13,
+                        column: 12,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 14,
+                            column: 13,
                         },
                     ),
                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_named_expression_generator_comprehension.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_named_expression_generator_comprehension.snap
index 2f534dd85872b..d291cd5522327 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_named_expression_generator_comprehension.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_named_expression_generator_comprehension.snap
@@ -5,12 +5,12 @@ expression: parse_ast
 Located {
     location: Location {
         row: 1,
-        column: 1,
+        column: 0,
     },
     end_location: Some(
         Location {
             row: 1,
-            column: 24,
+            column: 23,
         },
     ),
     custom: (),
@@ -18,12 +18,12 @@ Located {
         elt: Located {
             location: Location {
                 row: 1,
-                column: 2,
+                column: 1,
             },
             end_location: Some(
                 Location {
                     row: 1,
-                    column: 12,
+                    column: 11,
                 },
             ),
             custom: (),
@@ -31,12 +31,12 @@ Located {
                 target: Located {
                     location: Location {
                         row: 1,
-                        column: 2,
+                        column: 1,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 12,
+                            column: 11,
                         },
                     ),
                     custom: (),
@@ -48,12 +48,12 @@ Located {
                 value: Located {
                     location: Location {
                         row: 1,
-                        column: 9,
+                        column: 8,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 12,
+                            column: 11,
                         },
                     ),
                     custom: (),
@@ -61,12 +61,12 @@ Located {
                         left: Located {
                             location: Location {
                                 row: 1,
-                                column: 7,
+                                column: 6,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 8,
+                                    column: 7,
                                 },
                             ),
                             custom: (),
@@ -79,12 +79,12 @@ Located {
                         right: Located {
                             location: Location {
                                 row: 1,
-                                column: 11,
+                                column: 10,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 12,
+                                    column: 11,
                                 },
                             ),
                             custom: (),
@@ -104,12 +104,12 @@ Located {
                 target: Located {
                     location: Location {
                         row: 1,
-                        column: 17,
+                        column: 16,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 18,
+                            column: 17,
                         },
                     ),
                     custom: (),
@@ -121,12 +121,12 @@ Located {
                 iter: Located {
                     location: Location {
                         row: 1,
-                        column: 22,
+                        column: 21,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 23,
+                            column: 22,
                         },
                     ),
                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_print_2.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_print_2.snap
index fcb2eecc0b882..c782b8a88774a 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_print_2.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_print_2.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 24,
+                column: 23,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 24,
+                        column: 23,
                     },
                 ),
                 custom: (),
@@ -32,12 +32,12 @@ expression: parse_ast
                     func: Located {
                         location: Location {
                             row: 1,
-                            column: 1,
+                            column: 0,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 6,
+                                column: 5,
                             },
                         ),
                         custom: (),
@@ -50,12 +50,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 7,
+                                column: 6,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 20,
+                                    column: 19,
                                 },
                             ),
                             custom: (),
@@ -69,12 +69,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 22,
+                                column: 21,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 23,
+                                    column: 22,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_print_hello.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_print_hello.snap
index 49efd4773bfd3..34f6ed85be5ab 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_print_hello.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_print_hello.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 21,
+                column: 20,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 21,
+                        column: 20,
                     },
                 ),
                 custom: (),
@@ -32,12 +32,12 @@ expression: parse_ast
                     func: Located {
                         location: Location {
                             row: 1,
-                            column: 1,
+                            column: 0,
                         },
                         end_location: Some(
                             Location {
                                 row: 1,
-                                column: 6,
+                                column: 5,
                             },
                         ),
                         custom: (),
@@ -50,12 +50,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 7,
+                                column: 6,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 20,
+                                    column: 19,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_string.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_string.snap
index 318a0f9cfc333..d58f9e3a40930 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_string.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_string.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 14,
+                column: 13,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 14,
+                        column: 13,
                     },
                 ),
                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__parser__tests__parse_tuples.snap b/parser/src/snapshots/rustpython_parser__parser__tests__parse_tuples.snap
index c8e252c447cc4..7be862817627c 100644
--- a/parser/src/snapshots/rustpython_parser__parser__tests__parse_tuples.snap
+++ b/parser/src/snapshots/rustpython_parser__parser__tests__parse_tuples.snap
@@ -6,12 +6,12 @@ expression: "parse_program(source, \"<test>\").unwrap()"
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 12,
+                column: 11,
             },
         ),
         custom: (),
@@ -20,12 +20,12 @@ expression: "parse_program(source, \"<test>\").unwrap()"
                 Located {
                     location: Location {
                         row: 1,
-                        column: 1,
+                        column: 0,
                     },
                     end_location: Some(
                         Location {
                             row: 1,
-                            column: 5,
+                            column: 4,
                         },
                     ),
                     custom: (),
@@ -34,12 +34,12 @@ expression: "parse_program(source, \"<test>\").unwrap()"
                             Located {
                                 location: Location {
                                     row: 1,
-                                    column: 1,
+                                    column: 0,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 2,
+                                        column: 1,
                                     },
                                 ),
                                 custom: (),
@@ -51,12 +51,12 @@ expression: "parse_program(source, \"<test>\").unwrap()"
                             Located {
                                 location: Location {
                                     row: 1,
-                                    column: 4,
+                                    column: 3,
                                 },
                                 end_location: Some(
                                     Location {
                                         row: 1,
-                                        column: 5,
+                                        column: 4,
                                     },
                                 ),
                                 custom: (),
@@ -73,12 +73,12 @@ expression: "parse_program(source, \"<test>\").unwrap()"
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 8,
+                    column: 7,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 12,
+                        column: 11,
                     },
                 ),
                 custom: (),
@@ -87,12 +87,12 @@ expression: "parse_program(source, \"<test>\").unwrap()"
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 8,
+                                column: 7,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 9,
+                                    column: 8,
                                 },
                             ),
                             custom: (),
@@ -106,12 +106,12 @@ expression: "parse_program(source, \"<test>\").unwrap()"
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 11,
+                                column: 10,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 12,
+                                    column: 11,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__string__tests__parse_f_string_concat_1.snap b/parser/src/snapshots/rustpython_parser__string__tests__parse_f_string_concat_1.snap
index 3cce5b1d83537..f57f903bc258f 100644
--- a/parser/src/snapshots/rustpython_parser__string__tests__parse_f_string_concat_1.snap
+++ b/parser/src/snapshots/rustpython_parser__string__tests__parse_f_string_concat_1.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 18,
+                column: 17,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 9,
+                        column: 8,
                     },
                 ),
                 custom: (),
@@ -33,12 +33,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 1,
+                                column: 0,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 9,
+                                    column: 8,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__string__tests__parse_f_string_concat_2.snap b/parser/src/snapshots/rustpython_parser__string__tests__parse_f_string_concat_2.snap
index 3cce5b1d83537..f57f903bc258f 100644
--- a/parser/src/snapshots/rustpython_parser__string__tests__parse_f_string_concat_2.snap
+++ b/parser/src/snapshots/rustpython_parser__string__tests__parse_f_string_concat_2.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 18,
+                column: 17,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 9,
+                        column: 8,
                     },
                 ),
                 custom: (),
@@ -33,12 +33,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 1,
+                                column: 0,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 9,
+                                    column: 8,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__string__tests__parse_f_string_concat_3.snap b/parser/src/snapshots/rustpython_parser__string__tests__parse_f_string_concat_3.snap
index 2ab56927fbf40..68582508b039b 100644
--- a/parser/src/snapshots/rustpython_parser__string__tests__parse_f_string_concat_3.snap
+++ b/parser/src/snapshots/rustpython_parser__string__tests__parse_f_string_concat_3.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 23,
+                column: 22,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 9,
+                        column: 8,
                     },
                 ),
                 custom: (),
@@ -33,12 +33,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 1,
+                                column: 0,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 9,
+                                    column: 8,
                                 },
                             ),
                             custom: (),
@@ -52,12 +52,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 10,
+                                column: 9,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 23,
+                                    column: 22,
                                 },
                             ),
                             custom: (),
@@ -65,12 +65,12 @@ expression: parse_ast
                                 value: Located {
                                     location: Location {
                                         row: 1,
-                                        column: 2,
+                                        column: 1,
                                     },
                                     end_location: Some(
                                         Location {
                                             row: 1,
-                                            column: 5,
+                                            column: 4,
                                         },
                                     ),
                                     custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__string__tests__parse_string_concat.snap b/parser/src/snapshots/rustpython_parser__string__tests__parse_string_concat.snap
index fd88e7b306310..0052f8df6c042 100644
--- a/parser/src/snapshots/rustpython_parser__string__tests__parse_string_concat.snap
+++ b/parser/src/snapshots/rustpython_parser__string__tests__parse_string_concat.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 17,
+                column: 16,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 9,
+                        column: 8,
                     },
                 ),
                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__string__tests__parse_string_triple_quotes_with_kind.snap b/parser/src/snapshots/rustpython_parser__string__tests__parse_string_triple_quotes_with_kind.snap
index a08dde8543a3e..0616991c8fd97 100644
--- a/parser/src/snapshots/rustpython_parser__string__tests__parse_string_triple_quotes_with_kind.snap
+++ b/parser/src/snapshots/rustpython_parser__string__tests__parse_string_triple_quotes_with_kind.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 21,
+                column: 20,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 21,
+                        column: 20,
                     },
                 ),
                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__string__tests__parse_u_f_string_concat_1.snap b/parser/src/snapshots/rustpython_parser__string__tests__parse_u_f_string_concat_1.snap
index ba2ae385de184..d9d57865edc14 100644
--- a/parser/src/snapshots/rustpython_parser__string__tests__parse_u_f_string_concat_1.snap
+++ b/parser/src/snapshots/rustpython_parser__string__tests__parse_u_f_string_concat_1.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 19,
+                column: 18,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 10,
+                        column: 9,
                     },
                 ),
                 custom: (),
@@ -33,12 +33,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 1,
+                                column: 0,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 10,
+                                    column: 9,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__string__tests__parse_u_f_string_concat_2.snap b/parser/src/snapshots/rustpython_parser__string__tests__parse_u_f_string_concat_2.snap
index 7d21fea842d0d..a9f10f062ca31 100644
--- a/parser/src/snapshots/rustpython_parser__string__tests__parse_u_f_string_concat_2.snap
+++ b/parser/src/snapshots/rustpython_parser__string__tests__parse_u_f_string_concat_2.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 23,
+                column: 22,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 10,
+                        column: 9,
                     },
                 ),
                 custom: (),
@@ -33,12 +33,12 @@ expression: parse_ast
                         Located {
                             location: Location {
                                 row: 1,
-                                column: 1,
+                                column: 0,
                             },
                             end_location: Some(
                                 Location {
                                     row: 1,
-                                    column: 10,
+                                    column: 9,
                                 },
                             ),
                             custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__string__tests__parse_u_string_concat_1.snap b/parser/src/snapshots/rustpython_parser__string__tests__parse_u_string_concat_1.snap
index 9c93348a7f449..503d5b5c1393b 100644
--- a/parser/src/snapshots/rustpython_parser__string__tests__parse_u_string_concat_1.snap
+++ b/parser/src/snapshots/rustpython_parser__string__tests__parse_u_string_concat_1.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 18,
+                column: 17,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 9,
+                        column: 8,
                     },
                 ),
                 custom: (),
diff --git a/parser/src/snapshots/rustpython_parser__string__tests__parse_u_string_concat_2.snap b/parser/src/snapshots/rustpython_parser__string__tests__parse_u_string_concat_2.snap
index 0af6e48f7bf6a..432625993a587 100644
--- a/parser/src/snapshots/rustpython_parser__string__tests__parse_u_string_concat_2.snap
+++ b/parser/src/snapshots/rustpython_parser__string__tests__parse_u_string_concat_2.snap
@@ -6,12 +6,12 @@ expression: parse_ast
     Located {
         location: Location {
             row: 1,
-            column: 1,
+            column: 0,
         },
         end_location: Some(
             Location {
                 row: 1,
-                column: 18,
+                column: 17,
             },
         ),
         custom: (),
@@ -19,12 +19,12 @@ expression: parse_ast
             value: Located {
                 location: Location {
                     row: 1,
-                    column: 1,
+                    column: 0,
                 },
                 end_location: Some(
                     Location {
                         row: 1,
-                        column: 10,
+                        column: 9,
                     },
                 ),
                 custom: (),