Update app.py

app.py

@@ -71,7 +71,7 @@ def bot_streaming(message, history):
     if len(history) == 0:
         user = DEFAULT_IMAGE_TOKEN + '\n' + message['text']
     else:
-        for idx, user, assistant in enumerate(history):
+        for idx, (user, assistant) in enumerate(history[1:]):
             # conversation.extend([{"role": "user", "content": user}, {"role": "assistant", "content": assistant}])
             if idx == 0:
                 user = DEFAULT_IMAGE_TOKEN + '\n' + user