Update app.py

app.py

@@ -17,7 +17,7 @@ def respond(message, history):
     if history:
         messages.extend(history)
 
-    message.append({"role": "user", "content": message})
+    messages.append({"role": "user", "content": message})
 
     response = client.chat_completion(messages, max_tokens=100, temperature=2, top_p=1)
     #temperature and top_p control randomness