code: def download_dataset(root: str):
      """
      Download the FOOD101 dataset archive and expand it in the folder provided as parameter
      """
      URL = "http://data.vision.ee.ethz.ch/cvl/food-101.tar.gz"
      download_and_extract_archive(url=URL, download_root=root)
  
file_path: vissl/extra_scripts/datasets/create_food101_data_files.py
imports: import argparse
  import os
  from PIL import Image
  from torch.utils.data import DataLoader
  from tqdm import tqdm
  from vissl.utils.download import download_and_extract_archive
  from vissl.utils.io import cleanup_dir
label_desc: Use image node_id 2 for calling a global function with example usage: download_dataset(root) without return types