code: def get_notification(self, id):
          
  
          assert isinstance(id, (str, unicode)), id
          headers, data = self._requester.requestJsonAndCheck(
              "GET",
              "/notifications/threads/" + id
          )
          return github.Notification.Notification(self._requester, headers, data, completed=True)
docs: :calls: `GET /notifications/threads/:id <http://developer.github.com/v3/activity/notifications>`_
          :rtype: :class:`github.Notification.Notification`