def clone(self, destination_dir, revision=None):
        raise NotImplementedError()
Return `True` if the date field is a `DateTimeField` and `False`
dataset/ETHPy150Open platformio/platformio-api/platformio_api/cvsclient.py/BaseClient.clone--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/views/generic/dates.py/DateMixin.uses_datetime_field