Update app.py

app.py

@@ -716,16 +716,14 @@ with gr.Blocks(title="AIBDM 2026 Workshop App") as demo:
         gr.Markdown(
             "### Ask questions, get interactive visualisations\n\n"
             f"{_ai_status}"
-        )
- 
+        )        
         with gr.Row(equal_height=True):
             with gr.Column(scale=1):
-                # FIX Gradio 6: type="messages" pour le format dict
                 chatbot = gr.Chatbot(
                     label="Conversation",
                     height=380,
-                    type="messages",
-                )
+                )         
+        
                 user_input = gr.Textbox(
                     label="Ask about your data",
                     placeholder="e.g. Show me sales trends / What are the top sellers?",