code: def __array_finalize__(self, obj):
      if obj is None:
          return
      self.shm = getattr(obj, "shm", None)
  
imports: from itertools import chain
  from pathlib import Path
  import pickle
  from typing import Any, List, Union
  import subprocess
  import mmap
  from multiprocessing.shared_memory import SharedMemory
  import numpy
  import torch
  from torch.utils.data.dataloader import DataLoader, Dataset
  from transformers import AutoTokenizer
  from datasets import load_dataset
  from pytorch_lightning import LightningDataModule
  from src.datamodules.datasets.lm_dataset import LMDataset
  from src.datamodules.fault_tolerant_sampler import RandomFaultTolerantSampler
  from src.datamodules.fault_tolerant_sampler import FaultTolerantDistributedSampler
  from src.datamodules.datasets.detokenizer import DATASET_TOKENIZATION_REGISTRY
  from src.utils.utils import get_logger
label_desc: Use image node_id 2 for calling the SHMArray obj's underlying member method code with example usage: obj.__array_finalize__(obj) without return types