diff --git a/api/common/model_serializer_test_case.py b/api/common/model_serializer_test_case.py
index 2b0e88f..cc774f3 100644
--- a/api/common/model_serializer_test_case.py
+++ b/api/common/model_serializer_test_case.py
@@ -34,7 +34,7 @@ def get_request_user_class(cls) -> t.Type[AnyModel]:
         Returns:
             The model view set's class.
         """
-        return Contributor # type: ignore[return-value]
+        return Contributor  # type: ignore[return-value]
 
     @classmethod
     def get_model_class(cls) -> t.Type[AnyModel]: