code: def __init__(self):
      super().__init__()
      self.make_check = True
      self.work = SourceFileWriterWork()
      self.dest_work = DestinationWork(parallel=True)
  
file_path: pytorch-lightning/tests/integrations_app/apps/idle_timeout/app.py
imports: import pathlib
  from lightning.app import CloudCompute, LightningApp, LightningFlow, LightningWork
  from lightning.app.storage.path import _artifacts_path, _filesystem
  from lightning.app.utilities.enum import WorkStageStatus
label_desc: Use image node_id 1 to create a new RootFlow object from inherited base classes: LightningFlow with example: obj = RootFlow()