code: def __init__(self):
      super().__init__()
      self.counter = 0
  
file_path: pytorch-lightning/examples/app/justpy/app.py
imports: from typing import Callable
  from lightning import LightningApp, LightningFlow
  from lightning.app.frontend import JustPyFrontend
label_desc: Use image node_id 1 to create a new Flow object from inherited base classes: LightningFlow with example: obj = Flow()