code: def __init__(self):
      super().__init__()
      self.value = None
  
file_path: pytorch-lightning/examples/app/payload/app.py
imports: from lightning.app import LightningApp, LightningFlow, LightningWork
  from lightning.app.storage import Payload
label_desc: Use image node_id 1 to create a new SourceFileWriterWork object from inherited base classes: LightningWork with example: obj = SourceFileWriterWork()