Update app.py

app.py

@@ -15,12 +15,13 @@ agent = CodeAgent(
 # 定义 Gradio 接口
 def chat_fn(message, history):
     result = agent.run(message)
-    history = history + [(message, result)]
+    history.append({"role": "user", "content": message})
+    history.append({"role": "assistant", "content": result})
     return history, history
 
 demo = gr.ChatInterface(
     fn=chat_fn,
-    chatbot=gr.Chatbot(),
+    chatbot = gr.Chatbot(type="messages")
     textbox=gr.Textbox(placeholder="Ask Alfred to help plan your party..."),
     title="Alfred Party Planner Agent",
 )