diff --git a/qlib/contrib/workflow/record_temp.py b/qlib/contrib/workflow/record_temp.py
index 7094d844e..3fdf0c281 100644
--- a/qlib/contrib/workflow/record_temp.py
+++ b/qlib/contrib/workflow/record_temp.py
@@ -34,10 +34,7 @@ class SignalMseRecord(SignalRecord):
         label = self.load("label.pkl")
         masks = ~np.isnan(label.values)
         mse = mean_squared_error(pred.values[masks], label[masks])
-        metrics = {
-            "MSE": mse,
-            "RMSE": np.sqrt(mse)
-        }
+        metrics = {"MSE": mse, "RMSE": np.sqrt(mse)}
         objects = {"mse.pkl": mse, "rmse.pkl": np.sqrt(mse)}
         self.recorder.log_metrics(**metrics)
         self.recorder.save_objects(**objects, artifact_path=self.get_path())