class_docstr: ImageNet-21k (winter 21) processed with https://github.com/Alibaba-MIIL/ImageNet21K
      
class_docstr_tok: ["ImageNet-21k","(","winter","21",")","processed","with","https",":","\/\/github.com\/Alibaba-MIIL\/ImageNet21K"]
docstr: Return:
      10450
docstr_tok: ["Return",":","10450"]
code: def num_classes(self) -> int:
      """
      Return:
          10450
      """
      return 10450
  
imports: import os
  from pathlib import Path
  from typing import Any, List, Union, Callable, Optional
  from torch.utils.data import Dataset, DataLoader
  from torch.utils.data.dataloader import default_collate
  from torch.utils.data.distributed import DistributedSampler
  from pytorch_lightning import LightningDataModule
  from torchvision import transforms
  from torchvision.datasets import ImageFolder
label_desc: Use image node_id 1 for calling the Imagenet21kPDataModule obj's underlying member method code with example usage: obj.num_classes() and returns: int