code: def setup_args(cls):
      parser = ParlaiParser(
          False, False, description="Shrink a model file for release."
      )
      parser.add_argument(
          # dest is intentionally not model_file so the parlai parser doesn't
          # add extra opts to it
          "-mf",
          "--model-file",
          dest="path",
          help="Path to model file.",
      )
      parser.add_argument(
          "--no-backup",
          action="store_true",
          help="Do not create a backup.",
      )
      return parser
  
file_path: ParlAI/parlai/scripts/vacuum.py
imports: import torch
  from parlai.core.params import ParlaiParser
  from parlai.core.script import ParlaiScript, register_script
  from parlai.utils.torch import atomic_save
  from parlai.utils.io import PathManager
  import parlai.utils.pickle
  import parlai.utils.logging
label_desc: Use image node_id 1 for calling the Vacuum obj's underlying member method code with example usage: obj.setup_args(cls) and returns: parser