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 delete(self, chunk_index: int, chunk_filepath: str) -> None:
      if os.path.exists(chunk_filepath):
          os.remove(chunk_filepath)
  
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 6 for calling the PyTreeLoader obj's underlying member method code with example usage: obj.delete(chunk_index, chunk_filepath) without return types