code: def tearDown(self):
      pass
  
imports: from __future__ import division
  from __future__ import print_function
  import os
  import sys
  import unittest
  import numpy
  from numpy.testing import assert_allclose
  from numpy.testing import assert_equal
  from numpy.testing import assert_raises
  from pyod.utils.stat_models import pairwise_distances_no_broadcast
  from pyod.utils.stat_models import wpearsonr
  from pyod.utils.stat_models import pearsonr_mat
  from pyod.utils.stat_models import column_ecdf
  import statsmodels.distributions
  import time
label_desc: Use image node_id 7 for calling the TestStatModels obj's underlying member method code with example usage: obj.tearDown() without return types