fix bugs on auto save

app.py

@@ -273,6 +273,7 @@ if __name__ == "__main__":
                 outputs=[final_answer, session_index]
             )
 
+
             evaluate_btn = gr.Button("Evaluate")
             evaluation_result = gr.Textbox(label="Evaluation Result")
 

save_data.py

@@ -19,6 +19,7 @@ def load_envs(local=False):
     return service_account_info, SHEET_IDs
 
 
+
 def get_sheet_service(local=False):
     """Get the google sheet service object."""
     service_account_info, SHEET_ID = load_envs(local=local)