def __init__(self, **kwargs):
        super(Plan, self).__init__(**kwargs)
        if self.id is None:
            self.id = uuid4()
        if self.date_created is None:
            self.date_created = datetime.utcnow()
        if self.date_modified is None:
            self.date_modified = self.date_created
dataset/ETHPy150Open dropbox/changes/changes/models/plan.py/Plan.__init__/original