Update app.py

app.py

@@ -14,7 +14,8 @@ messages = []
 
 def chatbot(user_input):
     global messages
-    messages.append(("user", user_input))
+    # Add user message in new format
+    messages.append({"role": "user", "content": user_input})
 
     found = []
     query_words = user_input.lower().split()
@@ -32,7 +33,8 @@ def chatbot(user_input):
     else:
         reply = "I couldn’t find that in Sierra or engine manuals."
 
-    messages.append(("assistant", reply))
+    # Add assistant message in new format
+    messages.append({"role": "assistant", "content": reply})
     return messages
 
 with gr.Blocks() as demo:
@@ -45,6 +47,6 @@ with gr.Blocks() as demo:
         return bot_reply, ""
 
     msg.submit(respond, [msg, chatbot_ui], [chatbot_ui, msg])
-    clear.click(lambda: None, None, chatbot_ui, queue=False)
+    clear.click(lambda: [], None, chatbot_ui, queue=False)
 
 demo.launch()