code: def _int_or_none(x: Optional[str]) -> Optional[int]:
      if x is None:
          return x
      return int(x)
  
imports: import dataclasses
  import os
  import socket
  from typing import Optional
  import torch
  import torch.distributed
label_desc: Use image node_id 4 for calling a global function with example usage: _int_or_none(x) and returns: int, x