@classmethod
    def default(cls):
        return cls.choices()[0][0]
This is for the OSRGet[Angular|Linear]Units functions, which
dataset/ETHPy150Open 5monkeys/django-enumfield/django_enumfield/enum.py/Enum.default--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/contrib/gis/gdal/prototypes/errcheck.py/check_str_arg