code: def __init__(self, dataset, covariance):
      self.covariance = covariance
      stats.gaussian_kde.__init__(self, dataset)
  
imports: from __future__ import division, print_function, absolute_import
  from scipy import stats
  import numpy
  from numpy.testing import assert_almost_equal, assert_, assert_array_almost_equal, assert_array_almost_equal_nulp, assert_allclose
  import pytest
  from pytest import raises
label_desc: Use image node_id 1 to create a new _kde_subclass3 object from inherited base classes: stats with example: obj = _kde_subclass3(dataset, covariance)