Update app.py

app.py

@@ -107,7 +107,7 @@ def submit_message(type_select,user_token, prompt, prompt_template, temperature,
         if(history[i]['role']=='image'):
             chat_messages.append(((history[i]['content'],), None))
         else:
-            chat_messages.append(history[i]['content'])
+            chat_messages.append((history[i]['content'],None))
     print(2,chat_messages)
     return '', chat_messages, total_tokens_used_msg, state