'Returns the default URL for this dashboard.
The default URL is defined as the URL pattern with ``name="index"``
in the URLconf for the :class:`~horizon.Panel` specified by
:attr:`~horizon.Dashboard.default_panel`.'

def get_absolute_url(self):

    try:
        return self._registered(self.default_panel).get_absolute_url()
    except Exception:
        LOG.exception('Error    reversing    absolute    URL    for    %s.', self)
        raise
