diff --git a/fastapi/_compat/v2.py b/fastapi/_compat/v2.py
index f2ee4fcec2..6ecb6099bf 100644
--- a/fastapi/_compat/v2.py
+++ b/fastapi/_compat/v2.py
@@ -650,6 +650,7 @@ else:
         ]
         return field_info, {}
 
+
 def _regenerate_error_with_loc(
     *, errors: Sequence[Any], loc_prefix: tuple[Union[str, int], ...]
 ) -> list[dict[str, Any]]:
diff --git a/tests/test_invalid_mapping_param.py b/tests/test_invalid_mapping_param.py
index b73337cfef..511d7d97cf 100644
--- a/tests/test_invalid_mapping_param.py
+++ b/tests/test_invalid_mapping_param.py
@@ -1,4 +1,3 @@
-
 import pytest
 from fastapi import FastAPI, Query