Update utility.py

utility.py

@@ -283,7 +283,7 @@ def read_datalake(user_phone, user_question):
     sales_df = pd.DataFrame(sales_list)
     
 
-    lake = SmartDatalake([inventory_df, sales_df], config={"llm": llm, "response_parser": FlaskResponse, "enable_cache": False, "save_logs": False})
+    lake = SmartDatalake([inventory_df, sales_df], config={"llm": llm,"custom_whitelisted_dependencies":["ast"],"response_parser": FlaskResponse, "enable_cache": False, "save_logs": False})
     response = lake.chat(user_question)
 
     return response