remove the self assignment in "sdk/python/tests/utils/e2e_test_validation.py" at line 179

def make_feature_store_yaml(
    project,
    repo_dir_name: Path,
    offline_creator: DataSourceCreator,
    provider: str,
    online_store: Optional[Union[str, Dict]],
):
    offline_store_config = offline_creator.create_offline_store_config()
    online_store = online_store