Return the hyperparameter values as a Python dictionary.

    Returns:
      A dictionary with hyperparameter names as keys.  The values are the
      hyperparameter values.

def values(self):
    """Return the hyperparameter values as a Python dictionary.

    Returns:
      A dictionary with hyperparameter names as keys.  The values are the
      hyperparameter values.
    """
    return {n: getattr(self, n) for n in self._hparam_types.keys()}