Update app.py

app.py

@@ -255,17 +255,17 @@ if __name__ == "__main__":
             gr.Markdown("# Website Chat Assistant")
             gr.Markdown("Ask questions about the website.")
             
-            chatbot = gr.Chatbot(height=600)
+            chatbot = gr.Chatbot(height=600, type='messages')
             msg = gr.Textbox(placeholder="Ask a question...", label="Your question")
             clear = gr.Button("Clear")
             
             def user(user_message, history):
-                return "", history + [[user_message, None]]
+                return "", history + [{"role": "user", "content": user_message}]
             
             def bot(history):
-                if history and history[-1][1] is None:
-                    for response in chat_response(history[-1][0], history[:-1]):
-                        history[-1][1] = response
+                if history and history[-1]["role"] == "user":
+                    for response in chat_response(history[-1]["content"], history[:-1]):
+                        history.append({"role": "assistant", "content": response})
                         yield history
             
             msg.submit(user, [msg, chatbot], [msg, chatbot], queue=False).then(
@@ -274,10 +274,10 @@ if __name__ == "__main__":
             
             clear.click(lambda: None, None, chatbot, queue=False)
         
-        # Launch with minimal configuration
+        # Launch with configuration for Hugging Face Spaces
         demo.queue()
         demo.launch(
-            server_name="127.0.0.1",
+            server_name="0.0.0.0",
             server_port=7860,
             share=False
         )