def new_frame(self, project, start, stop, tags=None, id=None, updated_at=None):
    if (not id):
        id = uuid.uuid4().hex
    return Frame(start, stop, project, id, tags=tags, updated_at=updated_at)
def new_frame(self, project, start, stop, tags=None, id=None, updated_at=None):
    if (not id):
        id = uuid.uuid4().hex
    return Frame(start, stop, project, id, tags=tags, updated_at=updated_at)