code: def get_sticky(self, subreddit, bottom=False):
          
          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))
docs: 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.