Update app.py

app.py

@@ -203,7 +203,7 @@ with gr.Blocks() as demo:
     def bot(history):
         user_message = history[-1][0]
         #bot_message = chat_engine.chat(user_message)
-        bot_message = query_engine.aquery(user_message + "Let's think step by step to get the correct answer. If you cannot provide an answer, say you don't know.")
+        bot_message = asyncio.run(query_engine.aquery(user_message + "Let's think step by step to get the correct answer. If you cannot provide an answer, say you don't know."))
         history[-1][1] = ""
         for character in bot_message.response:
             history[-1][1] += character