def get_last_message(self, service):
        tweets = models.Tweet.all().filter(
            'service = ', service
        ).order('-created_at').fetch(1)

        try:
            return tweets[0]
        except __HOLE__:
            return None
dataset/ETHPy150Open balanced/status.balancedpayments.com/situation/tweeter.py/TwitterStatusProcessor.get_last_message