class_docstr: Dataset used to parallelize the transformation of the dataset via a DataLoader
code: def __getitem__(self, idx: int) -> bool:
      image_path, target_name = self.dataset[idx]
      image_name = os.path.split(image_path)[-1]
      shutil.copy(
          image_path,
          os.path.join(
              self.output_path,
              self.dataset.split,
              target_name,
              image_name,
          ),
      )
      return True
  
imports: import argparse
  import os
  import shutil
  from scipy import io
  from torch.utils.data import DataLoader
  from tqdm import tqdm
  from vissl.utils.download import download_and_extract_archive, download_url
  from vissl.utils.io import cleanup_dir
label_desc: Use image node_id 4 for calling the StandfordCarsMapper obj's underlying member method code with example usage: obj.__getitem__(idx) and returns: True