code: def cleanup():
      if os.path.exists("./ddp_check"):
          shutil.rmtree("./ddp_check", ignore_errors=True)
  
imports: import os
  import shutil
  import torch
  from omegaconf import OmegaConf
  from pytorch_lightning import Trainer
  from pytorch_lightning.utilities import rank_zero_only
  from nemo.core import ModelPT
  from nemo.utils import logging
  from nemo.utils.exp_manager import ExpManagerConfig, exp_manager
label_desc: Use image node_id 5 for calling a global function with example usage: cleanup() without return types