diff --git a/libs/core/tests/unit_tests/runnables/test_config.py b/libs/core/tests/unit_tests/runnables/test_config.py
index 884f6bdbaf3..54002c4a9d6 100644
--- a/libs/core/tests/unit_tests/runnables/test_config.py
+++ b/libs/core/tests/unit_tests/runnables/test_config.py
@@ -302,8 +302,11 @@ def test_inherit_run_name_with_override() -> None:
     captured_names: list[str] = []
 
     class TestCallbackHandler(BaseCallbackHandler):
-        def on_chain_start(  # noqa: ARG002
-            self, serialized: dict[str, Any], inputs: dict[str, Any], **kwargs: Any
+        def on_chain_start(
+            self,
+            serialized: dict[str, Any],  # noqa: ARG002
+            inputs: dict[str, Any],  # noqa: ARG002
+            **kwargs: Any
         ) -> None:
             name = kwargs.get("name", "unnamed")
             captured_names.append(name)
@@ -378,3 +381,4 @@ def test_inherit_run_name_merge_configs() -> None:
 
 
 
+