code: def iter_subscriptions(self, number=-1, etag=None):
          
          from .repos import Repository
          url = self._build_url('subscriptions', base_url=self._api)
          return self._iter(int(number), url, Repository, etag=etag)
docs: Iterate over repositories subscribed to by this user.
  
          :param int number: (optional), number of subscriptions to return.
              Default: -1, returns all available
          :param str etag: (optional), ETag from a previous request to the same
              endpoint
          :returns: generator of :class:`Repository <github3.repos.Repository>`