def _log_normalizer(self, loc=None, scale=None, low=None, high=None, std_low=None, std_high=None):
    return tf.math.log(self._normalizer(loc=loc, scale=scale, low=low, high=high, std_low=std_low, std_high=std_high))
def _log_normalizer(self, loc=None, scale=None, low=None, high=None, std_low=None, std_high=None):
    return tf.math.log(self._normalizer(loc=loc, scale=scale, low=low, high=high, std_low=std_low, std_high=std_high))