code: def testSpecialMoments(self):
      specialMoments = [69, 1999, 0, 21, 18]
      (spread, skewness, kurtosis) = DistributionShape()(specialMoments)
  
      self.assertEqual(spread, 0.0)
      self.assertEqual(skewness, 0.0)
      self.assertEqual(kurtosis, -3.0)
  
imports: from essentia_test import *
label_desc: Use image node_id 3 for calling the TestDistributionShape obj's underlying member method code with example usage: obj.testSpecialMoments() without return types