code: def run(self):
      self.stop()
  
imports: import os
  import sys
  from unittest import mock
  from unittest.mock import Mock
  import pytest
  from lightning.app import LightningApp, LightningFlow, LightningWork
  from lightning.app.core import constants
  from lightning.app.frontend import StaticWebFrontend, StreamlitFrontend
  from lightning.app.runners import MultiProcessRuntime
  from lightning.app.utilities.component import _get_context
  from lightning.app.utilities.imports import _IS_WINDOWS
label_desc: Use image node_id 1 for calling the WebFlow obj's underlying member method code with example usage: obj.run() without return types