Update app.py

app.py

@@ -330,7 +330,7 @@ async def chat_thread(request: Request, user_id: str):
         # Save conversation history to disk
         thread_history = ({"user_id": user_id, "thread": conversation_thread})
         # Return response and thread ID
-        return {'response': history_thread}
+        return {'response': thread_history}
     except HTTPException as e:
         raise e
     except Exception as e: