code: def is_root_proc():
      """
      Determines if the current process is the root process.
      """
      if torch.distributed.is_initialized():
          return dist.get_rank() == 0
      else:
          return True
  
imports: import functools
  import logging
  import pickle
  import torch
  import torch.distributed
  from pytorchvideo.layers.distributed import cat_all_gather, get_local_process_group, get_local_rank, get_local_size, get_world_size, init_distributed_training
label_desc: Use image node_id 6 for calling a global function with example usage: is_root_proc() and returns: unknown, True