code: def test_entropy_zero(self):
      # Test for PR-479
      assert_almost_equal(
          stats.entropy([0, 1, 2]), 0.63651416829481278, decimal=12
      )
  
imports: import numpy
  from numpy.testing import assert_equal, assert_allclose
  from numpy.testing import assert_, assert_almost_equal, assert_array_almost_equal
  import pytest
  from pytest import raises
  import scipy.stats
label_desc: Use image node_id 3 for calling the TestEntropy obj's underlying member method code with example usage: obj.test_entropy_zero() without return types