Update app.py

app.py

@@ -36,6 +36,9 @@ demo = gr.ChatInterface(
     title="🤖 Mini Chatbot (Facebook BlenderBot-90M)",
     description="Hi 👋 I’m a small conversational chatbot powered by Facebook’s BlenderBot-90M.",
     theme="soft",
+    type="messages",   # ✅ this line removes the tuples warning
+)
+
 )
 
 if __name__ == "__main__":