def state_postal(value):
    try:
        return statestyle.get(value).postal
    except:
        return value
tests a condition where a rule must be deleted
dataset/ETHPy150Open eyeseast/python-tablefu/table_fu/formatting.py/state_postal--crossover with--dataset/ETHPy150Open saltstack/salt/tests/unit/states/boto_secgroup.py/Boto_SecgroupTestCase.test__get_rule_changes_delete_rules