'Iterate over the members of this team.
:param str role: (optional), filter members returned by their role
in the team. Can be one of: ``"member"``, ``"maintainer"``,
``"all"``. Default: ``"all"``.
:param int number: (optional), number of users to iterate over.
Default: -1 iterates over all values
:param str etag: (optional), ETag from a previous request to the same
endpoint
:returns: generator of :class:`User <github3.users.User>`\ s'

@requires_auth
def members(self, role=None, number=(-1), etag=None):

    headers = {}
    params = {}
    if (role in self.members_roles):
        params[u'role'] = role
        headers[u'Accept'] = u'application/vnd.github.ironman-preview+json'
    url = self._build_url(u'members', base_url=self._api)
    return self._iter(int(number), url, users.ShortUser, params=params, etag=etag, headers=headers)
