Update app.py

app.py

@@ -20,7 +20,6 @@ from sqlalchemy import (
 )
 engine = create_engine("sqlite:///agentDB.db")
 metadata_obj = MetaData()
-inspector = inspect(engine)
 
 def load_rows():
     """
@@ -318,6 +317,7 @@ with gr.Blocks() as demo:
         gr.ChatInterface(fn=run_prompt, type="messages", chatbot=chatbot)
 
 if __name__ == "__main__":
+    inspector = inspect(engine)
     # initialize agent once
     agent = agent_setup()