diff --git a/tests/test_multiple_methods_unique_id.py b/tests/test_multiple_methods_unique_id.py
index 11be625a78..5733d31955 100644
--- a/tests/test_multiple_methods_unique_id.py
+++ b/tests/test_multiple_methods_unique_id.py
@@ -2,6 +2,7 @@
 Test that routes with multiple methods get unique operation IDs.
 This is a regression test for issue #13175.
 """
+
 import warnings
 
 from fastapi import FastAPI
@@ -22,29 +23,34 @@ def test_multiple_methods_generate_unique_operation_ids():
         warnings.simplefilter("always")
         client = TestClient(app)
         response = client.get("/openapi.json")
-        
+
         # There should be no duplicate operation_id warnings
         dup_warnings = [
-            warning for warning in w 
-            if "Duplicate Operation ID" in str(warning.message)
+            warning for warning in w if "Duplicate Operation ID" in str(warning.message)
         ]
-        assert len(dup_warnings) == 0, f"Expected no duplicate warnings, got: {dup_warnings}"
+        assert len(dup_warnings) == 0, (
+            f"Expected no duplicate warnings, got: {dup_warnings}"
+        )
 
     openapi_schema = response.json()
-    
+
     # Get the operation IDs for POST and DELETE
     post_operation_id = openapi_schema["paths"]["/clear"]["post"]["operationId"]
     delete_operation_id = openapi_schema["paths"]["/clear"]["delete"]["operationId"]
-    
+
     # They should be different
     assert post_operation_id != delete_operation_id, (
         f"POST and DELETE should have different operation IDs. "
         f"Got POST: {post_operation_id}, DELETE: {delete_operation_id}"
     )
-    
+
     # Verify the operation IDs contain the correct method suffix
-    assert post_operation_id.endswith("_post"), f"POST operation_id should end with '_post', got: {post_operation_id}"
-    assert delete_operation_id.endswith("_delete"), f"DELETE operation_id should end with '_delete', got: {delete_operation_id}"
+    assert post_operation_id.endswith("_post"), (
+        f"POST operation_id should end with '_post', got: {post_operation_id}"
+    )
+    assert delete_operation_id.endswith("_delete"), (
+        f"DELETE operation_id should end with '_delete', got: {delete_operation_id}"
+    )
 
 
 if __name__ == "__main__":