Returns additional urls to add to a result of `get_urls` in a descendant ModelAdmin
        :return: A list of url declarations.

def get_urls(self):
        """
        Returns additional urls to add to a result of `get_urls` in a descendant ModelAdmin
        :return: A list of url declarations.
        """

        info = self.model._meta.app_label, self.model._meta.model_name
        return [
            url(r'^report/(?P<key>\w+)/(?P<period>\w)$',
                self.admin_site.admin_view(self.report_view),
                name='%s_%s_tracking_report' % info)
        ] + super(TrackedLiveAdmin, self).get_urls()