class_docstr: The Pytree Loader is the default loader of the Cache object.
class_docstr_tok: ["The","Pytree","Loader","is","the","default","loader","of","the","Cache","object","."]
code: def __init__(self) -> None:
      self._chunk_filepaths: Dict[str, bool] = {}
  
imports: import os
  from abc import ABC, abstractmethod
  from time import sleep
  from typing import Any, Dict, List, Optional, Tuple
  import numpy
  import torch
  from lightning.data.streaming.constants import _TORCH_DTYPES_MAPPING, _TORCH_GREATER_EQUAL_2_1_0
  from lightning.data.streaming.serializers import Serializer
label_desc: Use image node_id 1 to create a new PyTreeLoader object from inherited base classes: BaseItemLoader with example: obj = PyTreeLoader()