code: def get_pipeline_model_parallel_last_rank():
      assert (
          _PIPELINE_GLOBAL_RANKS is not None
      ), "Pipeline parallel group is not initialized"
      last_rank_local = get_pipeline_model_parallel_world_size() - 1
      return _PIPELINE_GLOBAL_RANKS[last_rank_local]
  
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 46 for calling a global function with example usage: get_pipeline_model_parallel_last_rank() and returns: _PIPELINE_GLOBAL_RANKS