def dump(self):
    start = self.start.to('utc').int_timestamp
    stop = self.stop.to('utc').int_timestamp
    updated_at = self.updated_at.int_timestamp
    return (start, stop, self.project, self.id, self.tags, updated_at)
def dump(self):
    start = self.start.to('utc').int_timestamp
    stop = self.stop.to('utc').int_timestamp
    updated_at = self.updated_at.int_timestamp
    return (start, stop, self.project, self.id, self.tags, updated_at)