class_docstr: Dataset used to parallelize the transformation of the dataset via a DataLoader
class_docstr_tok: ["Dataset","used","to","parallelize","the","transformation","of","the","dataset","via","a","DataLoader"]
code: def _open_h5_file(self, file_name: str):
      return h5py.File(os.path.join(self.input_path, file_name), "r")
  
file_path: vissl/extra_scripts/datasets/create_patch_camelyon_data_files.py
imports: import argparse
  import gzip
  import os
  from collections import OrderedDict
  from typing import NamedTuple
  from PIL import Image
  from torch.utils.data import DataLoader
  from tqdm import tqdm
  from vissl.utils.download import download_url
label_desc: Use image node_id 3 for calling the PatchCamelyon obj's underlying member method code with example usage: obj._open_h5_file(file_name) and returns: h5py