code: def is_unitialized():
      """Useful for code segments that may be accessed with or without mpu initialization"""
      return _DATA_PARALLEL_GROUP is None
  
imports: from typing import Tuple, Optional
  import warnings
  import os
  import torch
  from apex.transformer.log_util import get_transformer_logger
  from apex.transformer._ucc_util import HAS_UCC
label_desc: Use image node_id 1 for calling a global function with example usage: is_unitialized() and returns: unknown