code: def is_main_process():
      return get_rank() == 0
  
file_path: gluonts/src/gluonts/nursery/daf/tslib/engine/distributed.py
imports: from typing import Optional
  import os
  import torch
  from torch import Tensor
  from torch import distributed
label_desc: Use image node_id 4 for calling a global function with example usage: is_main_process() and returns: unknown