def get_sticky(self, subreddit, bottom=False):
        """Return a Submission object for the sticky of the subreddit.

        :param bottom: Get the top or bottom sticky. If the subreddit has only
            a single sticky, it is considered the top one.

        """
        url = self.config['sticky'].format(subreddit=six.text_type(subreddit))
        param = {'num': 2} if bottom else None
        return objects.Submission.from_json(self.request_json(url,
                                                              params=param))
Return a Submission object for the sticky of the subreddit.

        :param bottom: Get the top or bottom sticky. If the subreddit has only
            a single sticky, it is considered the top one.