diff --git a/client/starwhale/api/_impl/wrapper.py b/client/starwhale/api/_impl/wrapper.py
index 1e05cfddc9..b7a69c9d50 100644
--- a/client/starwhale/api/_impl/wrapper.py
+++ b/client/starwhale/api/_impl/wrapper.py
@@ -105,7 +105,9 @@ def __init__(self, eval_id: str, project: Project):
         ] = (
             lambda name: f"eval/{self.eval_id[:VERSION_PREFIX_CNT]}/{self.eval_id}/{name}"
         )
-        self._eval_summary_table_name = os.getenv("SW_EVALUATION_SUMMARY_TABLE", "eval/summary")
+        self._eval_summary_table_name = os.getenv(
+            "SW_EVALUATION_SUMMARY_TABLE", "eval/summary"
+        )
         self._data_store = data_store.get_data_store(
             project.instance.url, project.instance.token
         )