'Iterator of forks of this gist.
.. versionchanged:: 0.9
Added params ``number`` and ``etag``.
:param int number: (optional), number of forks to iterate over.
Default: -1 will iterate over all forks of this gist.
:param str etag: (optional), ETag from a previous request to this
endpoint.
:returns: generator of :class:`Gist <Gist>`'

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

    url = self._build_url(u'forks', base_url=self._api)
    return self._iter(int(number), url, Gist, etag=etag)
