code: def download_dataset(root: str):
      """
      Download the SUN397 dataset archive and expand it in the folder provided as parameter
      """
      URL = (
          "http://vision.princeton.edu/projects/2010/SUN/SUN397.tar.gz"
      )
      download_and_extract_archive(url=URL, download_root=root)
  
file_path: vissl/extra_scripts/datasets/create_sun397_data_files.py
imports: import argparse
  import dataclasses
  import os
  import random
  from typing import Any, List
  import numpy
  from iopath.common.file_io import g_pathmgr
  from tqdm import tqdm
  from vissl.utils.download import download_and_extract_archive
label_desc: Use image node_id 2 for calling a global function with example usage: download_dataset(root) without return types