code: def setup_args():
      parser = single_train.setup_args()
      parser.add_distributed_training_args()
      parser.add_argument(
          "--port", type=int, default=61337, help="TCP port number"
      )
      return parser
  
file_path: ParlAI/parlai/scripts/distributed_train.py
imports: import parlai.scripts.train_model
  from parlai.core.script import ParlaiScript
  import parlai.utils.distributed
  import parlai.utils.fsdp
label_desc: Use image node_id 1 for calling a global function with example usage: setup_args() and returns: parser