code: def is_dist_initialized():
      return dist.is_available() and dist.is_initialized()
  
imports: import contextlib
  import logging
  import os
  import pickle
  import socket
  import subprocess
  import warnings
  from itertools import chain
  import torch
  from mmf.common.registry import registry
  from torch import distributed
label_desc: Use image node_id 6 for calling a global function with example usage: is_dist_initialized() and returns: unknown