code: def setup_labeled_faces():
      data_home = get_data_home()
      if not exists(join(data_home, "lfw_home")):
          raise SkipTest("Skipping dataset loading doctests")
  
imports: import os
  import warnings
  from os import environ
  from os.path import exists, join
  import pytest
  from _pytest.doctest import DoctestItem
  from sklearn.datasets import get_data_home
  from sklearn.datasets._base import _pkl_filepath
  from sklearn.datasets._twenty_newsgroups import CACHE_NAME
  from sklearn.utils import IS_PYPY
  from sklearn.utils._testing import SkipTest, check_skip_network
  from sklearn.utils.fixes import np_base_version, parse_version
label_desc: Use image node_id 1 for calling a global function with example usage: setup_labeled_faces() without return types