def _scipy_dist_to_dict(dist_obj):
    """
    .. _scipy.stats.norm: https://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.norm.html

    Convert the scipy parametric distributions to dictionary.

    :param dist_obj: scipy distribution object, e.g `scipy.stats.norm <https://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.norm.html>`_

    """
    dist_type = type(dist_obj.dist)
    dist_type_str = '.'.join([dist_type.__module__, dist_type.__name__])
    dist_kwds = dist_obj.kwds
    dist_dict = {'dist_type_str': dist_type_str, 'dist_kwds': dist_kwds}
    return dist_dict
