Update app.py

app.py

@@ -1,4 +1,4 @@
-import os
+''import os
 import re
 from typing import List, Optional, Union
 from qwen_agent import Agent, MultiAgentHub
@@ -171,4 +171,4 @@ class WebUI:
         from qwen_agent.gui.gradio import gr
         agent = self.agent_list[agent_index]
         capabilities = list(agent.function_map.keys()) if agent.function_map else []
-        return gr.CheckboxGroup(label='Plugins', value=capabilities, choices=capabilities, interactive=False)
+        return gr.CheckboxGroup(label='Plugins', value=capabilities, choices=capabilities, interactive=False)'''