[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

mypy/checker.py

@@ -168,8 +168,8 @@
     restrict_subtype_away,
     unify_generic_callable,
 )
-from mypy.traverser import TraverserVisitor, all_return_statements, has_return_statement
 from mypy.suggestions import get_return_types
+from mypy.traverser import TraverserVisitor, all_return_statements, has_return_statement
 from mypy.treetransform import TransformVisitor
 from mypy.typeanal import check_for_explicit_any, has_any_from_unimported_type, make_optional_type
 from mypy.typeops import (
@@ -1603,11 +1603,12 @@ def check_func_def(
 
             # Infer return type from return statements if function has no explicit return type annotation
             if isinstance(item, FuncDef) and isinstance(typ, CallableType):
+
                 def is_unannotated_any(t: Type) -> bool:
                     if not isinstance(t, ProperType):
                         return False
                     return isinstance(t, AnyType) and t.type_of_any == TypeOfAny.unannotated
-                
+
                 ret_type_proper = get_proper_type(typ.ret_type)
                 # Only infer for functions without explicit return type annotations
                 # Skip generators and coroutines as they have special return type handling
@@ -1621,7 +1622,7 @@ def is_unannotated_any(t: Type) -> bool:
                     # Use the master type map (first in stack) where final types are stored
                     # At this point in type checking, return statement types should be in the master map
                     return_types_list = get_return_types(self._type_maps[0], item)
-                    
+
                     if return_types_list:
                         # Create union of all return types
                         inferred_ret_type = make_simplified_union(return_types_list)