docs: def fetch_viewers(self, game):
          """Query the viewers and channels of the given game and
          set them on the object
  
          :returns: the given game
          :rtype: :class:`models.Game`
          :raises: None
          """
          r = self.kraken_request('GET', 'streams/summary',
                                  params={'game': game.name}).json()
          game.viewers = r['viewers']
          game.channels = r['channels']
          return game