diff --git a/pyparsing/core.py b/pyparsing/core.py
index c4195a7d..16fb9e6a 100644
--- a/pyparsing/core.py
+++ b/pyparsing/core.py
@@ -946,11 +946,9 @@ class to help type checking
 
         not_in_cache: bool
 
-        def get(self, *args):
-            ...
+        def get(self, *args): ...
 
-        def set(self, *args):
-            ...
+        def set(self, *args): ...
 
     # argument cache for optimizing repeated calls when backtracking through recursive expressions
     packrat_cache = (
@@ -3168,6 +3166,7 @@ class QuotedString(Token):
         [['This is the "quote"']]
         [['This is the quote with "embedded" quotes']]
     """
+
     ws_map = dict(((r"\t", "\t"), (r"\n", "\n"), (r"\f", "\f"), (r"\r", "\r")))
 
     def __init__(
@@ -5950,8 +5949,8 @@ def srange(s: str) -> str:
     - any combination of the above (``'aeiouy'``,
       ``'a-zA-Z0-9_$'``, etc.)
     """
-    _expanded = (
-        lambda p: p
+    _expanded = lambda p: (
+        p
         if not isinstance(p, ParseResults)
         else "".join(chr(c) for c in range(ord(p[0]), ord(p[1]) + 1))
     )
diff --git a/pyparsing/testing.py b/pyparsing/testing.py
index 985d21ed..442d8665 100644
--- a/pyparsing/testing.py
+++ b/pyparsing/testing.py
@@ -51,23 +51,23 @@ def save(self):
             self._save_context["default_whitespace"] = ParserElement.DEFAULT_WHITE_CHARS
             self._save_context["default_keyword_chars"] = Keyword.DEFAULT_KEYWORD_CHARS
 
-            self._save_context[
-                "literal_string_class"
-            ] = ParserElement._literalStringClass
+            self._save_context["literal_string_class"] = (
+                ParserElement._literalStringClass
+            )
 
             self._save_context["verbose_stacktrace"] = ParserElement.verbose_stacktrace
 
             self._save_context["packrat_enabled"] = ParserElement._packratEnabled
             if ParserElement._packratEnabled:
-                self._save_context[
-                    "packrat_cache_size"
-                ] = ParserElement.packrat_cache.size
+                self._save_context["packrat_cache_size"] = (
+                    ParserElement.packrat_cache.size
+                )
             else:
                 self._save_context["packrat_cache_size"] = None
             self._save_context["packrat_parse"] = ParserElement._parse
-            self._save_context[
-                "recursion_enabled"
-            ] = ParserElement._left_recursion_enabled
+            self._save_context["recursion_enabled"] = (
+                ParserElement._left_recursion_enabled
+            )
 
             self._save_context["__diag__"] = {
                 name: getattr(__diag__, name) for name in __diag__._all_names