update

app.py

@@ -140,7 +140,8 @@ with gr.Blocks() as demo:
             for user_message, assistant_message in history[1:-1]:
                 messages.append({"role": "user", "content": user_message})
                 messages.append({"role": "assistant", "content": assistant_message})
-            messages.append({"role": "user", "content": history[-1, 0]})
+            messages.append({"role": "user", "content": history[-1][0]})
+            print(messages)
 
             bot_msg = g4f.ChatCompletion.create(
                                             model=model_name,