diff --git a/pandas/core/indexing.py b/pandas/core/indexing.py
index ceafc383171e7..dd06d9bee4428 100644
--- a/pandas/core/indexing.py
+++ b/pandas/core/indexing.py
@@ -2031,7 +2031,6 @@ def _setitem_single_column(self, loc: int, value, plane_indexer):
                 )
                 # TODO: how to get future behavior?
                 # TODO: what if we got here indirectly via loc?
-                pass
         return
 
     def _setitem_single_block(self, indexer, value, name: str):