code: def do_nothing():
      """Be lazy!"""
  
file_path: pytorch-lightning/tests/tests_app/frontend/panel/test_app_state_comm.py
imports: import os
  from unittest import mock
  from lightning.app.core.constants import APP_SERVER_PORT
  from lightning.app.frontend.panel.app_state_comm import _get_ws_url, _run_callbacks, _watch_app_state
label_desc: Use image node_id 1 for calling a global function with example usage: do_nothing() without return types