code: def run(self):
      assert os.getenv("GLOBAL_RANK", "0") == "0"
      if not self.tracer_python_script.has_started:
          self.tracer_python_script.run()
      if self.tracer_python_script.has_succeeded:
          self.stop("tracer script succeed")
      if self.tracer_python_script.has_failed:
          self.stop("tracer script failed")
  
file_path: pytorch-lightning/examples/app/components/python/app.py
imports: import os
  from pathlib import Path
  from lightning.app import LightningApp, LightningFlow
  from examples.components.python.component_tracer import PLTracerPythonScript
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