@reducer('or_expr', 'or', 'check')
    def _extend_or_expr(self, or_expr, _or, check):

        return [('or_expr', or_expr.add_check(check))]
Extend an 'or_expr' by adding one more check.
dataset/ETHPy150Open CiscoSystems/avos/openstack_dashboard/openstack/common/policy.py/ParseState._extend_or_expr