code: def test_robust_kurtosis(self):
      x = self.kurtosis_x
      assert_almost_equal(
          np.array(robust_kurtosis(x)), self.expected_kurtosis
      )
  
imports: import numpy
  import pandas
  from numpy.testing import assert_almost_equal, assert_raises, assert_equal, assert_allclose
  from statsmodels.stats._adnorm import normal_ad
  from statsmodels.stats.stattools import omni_normtest, jarque_bera, durbin_watson, _medcouple_1d, medcouple, robust_kurtosis, robust_skewness
label_desc: Use image node_id 18 for calling the TestStattools obj's underlying member method code with example usage: obj.test_robust_kurtosis() without return types