code: def run(self):
      files = os.listdir("/content/esRedditJson/")
      for file in files:
          print(file)
      assert "esRedditJson1" in files
  
file_path: pytorch-lightning/examples/app/mount/app.py
imports: import os
  from lightning.app import CloudCompute, LightningApp, LightningFlow, LightningWork
  from lightning.app.storage import Mount
label_desc: Use image node_id 2 for calling the Work obj's underlying member method code with example usage: obj.run() without return types