diff --git a/sdks/python/tests/e2e/test_experiment.py b/sdks/python/tests/e2e/test_experiment.py
index 9a0a42d6f2..6db1b44921 100644
--- a/sdks/python/tests/e2e/test_experiment.py
+++ b/sdks/python/tests/e2e/test_experiment.py
@@ -141,7 +141,10 @@ def task(item: Dict[str, Any]):
         ),
     ]
     assert_equal(
-        sorted(EXPECTED_EXPERIMENT_ITEMS_CONTENT, key=lambda item: str(item.dataset_item_data)),
+        sorted(
+            EXPECTED_EXPERIMENT_ITEMS_CONTENT,
+            key=lambda item: str(item.dataset_item_data),
+        ),
         sorted(experiment_items_contents, key=lambda item: str(item.dataset_item_data)),
     )