code: def url_parametrization(*dataset_urls_and_ids_fns):
      return pytest.mark.parametrize(
          "url",
          [
              pytest.param(url, id=id)
              for dataset_urls_and_ids_fn in dataset_urls_and_ids_fns
              for url, id in sorted(set(dataset_urls_and_ids_fn()))
          ],
      )
  
imports: import contextlib
  import itertools
  import tempfile
  import time
  import traceback
  import unittest.mock
  import warnings
  from datetime import datetime
  from distutils import dir_util
  from os import path
  from urllib.error import HTTPError, URLError
  from urllib.parse import urlparse
  from urllib.request import Request, urlopen
  import pytest
  from torchvision import datasets
  from torchvision.datasets.utils import _get_redirect_url, USER_AGENT
label_desc: Use image node_id 34 for calling a global function with example usage: url_parametrization() and returns: pytest