Update app.py

app.py

@@ -116,8 +116,7 @@ async def handle_message(message: cl.Message):
                                          callbacks=[cl.AsyncLangchainCallbackHandler()])
     response_key = "output" if "output" in response else "text"
     await cl.Message(response.get(response_key, "")).send()
+    return message.content
 
 
 
-if __name__ == '__main__':
-    cl.launch()