code: def __hash__(self) -> int:
      return hash(id(self))
  
imports: from dataclasses import dataclass
  from enum import Enum
  from typing import Dict, List, Optional
  import torch
  import torch.distributed
  from torch.distributed import ProcessGroup
  from colossalai.utils import get_current_device
  from colossalai.utils.device import IS_NPU_AVAILABLE
label_desc: Use image node_id 30 for calling the Chunk obj's underlying member method code with example usage: obj.__hash__() and returns: hash