Update app.py

app.py

@@ -274,7 +274,9 @@ with gr.Blocks(css=css) as demo:
                     ]
 
                     responses = MultiModalConversation.call(
-                        model='qwen-vl-max', # model='qvq-72b-preview',
+                        # model='qwen-vl-max', 
+                        # model='qvq-72b-preview',
+                        model='qwen2.5-vl-72b-instruct',
                         messages=messages,
                         stream=True,
                     )