Update app.py

app.py

@@ -28,7 +28,7 @@ async def main(message: cl.Message):
     This is called when a message is received!
     """
     chain = cl.user_session.get("chain")
-    res = await chain.achat(message)
+    res = await chain.achat(message.content)
     # res = await chain.aiinvoke({"input": message})
     # res = res["text"]
     out = str(res)