@abstractproperty
    def identifier(self):
        pass
Options passed before settings are correctly handled
dataset/ETHPy150Open dropbox/pynsot/pynsot/models.py/Resource.identifier--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/tests/regressiontests/admin_scripts/tests.py/ArgumentOrder.test_option_then_setting