def testNanPower(self):
    zipf = tfd.Zipf(power=np.nan, validate_args=False)
    self.assertAllNan(self.evaluate(zipf.power))
def testNanPower(self):
    zipf = tfd.Zipf(power=np.nan, validate_args=False)
    self.assertAllNan(self.evaluate(zipf.power))