code: def run(self):
      self.work.run()
  
file_path: pytorch-lightning/examples/app/installation_commands/app.py
imports: import lmdb
  from lightning.app import CloudCompute, LightningApp, LightningFlow, LightningWork
label_desc: Use image node_id 2 for calling the RootFlow obj's underlying member method code with example usage: obj.run() without return types