'Iterate over the reviews associated with this pull request.
:param int number: (optional), number of reviews to return. Default:
-1 returns all available files.
:param str etag: (optional), ETag from a previous request to the same
endpoint
:returns: generator of :class:`PullReview <PullReview>`\ s'

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

    headers = {u'Accept': u'application/vnd.github.black-cat-preview+json'}
    url = self._build_url(u'reviews', base_url=self._api)
    return self._iter(int(number), url, PullReview, etag=etag, headers=headers)
