Get an existing tweet.

        :param id: ID of the tweet in question
        :return: Tweet object. None if not found

def get_tweet(self, id):
        """
        Get an existing tweet.

        :param id: ID of the tweet in question
        :return: Tweet object. None if not found
        """
        try:
            return Tweet(self._client.get_status(id=id)._json)
        except TweepError as e:
            if e.api_code == TWITTER_TWEET_NOT_FOUND_ERROR:
                return None
            raise