code: def setup_module(module):
      # setup mock urllib2 module to avoid downloading from mldata.org
      from sklearn.utils.testing import install_mldata_mock
  
      install_mldata_mock(
          {
              "iris": {
                  "data": np.empty((150, 4)),
                  "label": np.empty(150),
              },
              "datasets-uci-iris": {
                  "double0": np.empty((150, 4)),
                  "class": np.empty((150,)),
              },
              "leukemia": {
                  "data": np.empty((72, 7129)),
              },
          }
      )
  
file_path: catboost/contrib/python/scikit-learn/py2/sklearn/datasets/mldata.py
imports: import os
  from os.path import join, exists
  import re
  import numbers
  import numpy
  import scipy
  from scipy import io
  from shutil import copyfileobj
  from .base import get_data_home, Bunch
label_desc: Use image node_id 3 for calling a global function with example usage: setup_module(module) without return types