code: def _get_rank() -> int:
      # SLURM_PROCID can be set even if SLURM is not managing the multiprocessing,
      # therefore LOCAL_RANK needs to be checked first
      rank_keys = (
          "RANK",
          "LOCAL_RANK",
          "SLURM_PROCID",
          "JSM_NAMESPACE_RANK",
      )
      for key in rank_keys:
          rank = os.environ.get(key)
          if rank is not None:
              return int(rank)
      return 0
  
imports: import logging
  import math
  import os
  from functools import wraps
  from typing import Any, Callable, Optional
  import numpy
  import opt_einsum
  import torch
  import torch.nn
  import torch.nn.functional
  from einops import rearrange, repeat
  from espnet2.asr.state_spaces.components import Activation, DropoutNd, LinearActivation
label_desc: Use image node_id 2 for calling a global function with example usage: _get_rank() and returns: int, int