Update app.py

app.py

@@ -69,7 +69,7 @@ def bot_streaming(message, history):
     
     conv = conv_templates['llama_3'].copy()
     if len(history) == 0:
-        user = DEFAULT_IMAGE_TOKEN + '\n' + message['text']
+        message['text'] = DEFAULT_IMAGE_TOKEN + '\n' + message['text']
     else:
         for idx, (user, assistant) in enumerate(history[1:]):
             # conversation.extend([{"role": "user", "content": user}, {"role": "assistant", "content": assistant}])