'Iterate over the collaborators of this repository.
:param int number: (optional), number of collaborators to return.
Default: -1 returns all comments
:param str etag: (optional), ETag from a previous request to the same
endpoint
:returns: generator of :class:`~github3.users.ShortUser`\ s'

def collaborators(self, number=(-1), etag=None):

    url = self._build_url(u'collaborators', base_url=self._api)
    return self._iter(int(number), url, users.ShortUser, etag=etag)
