'Iterate over members of this organization.
:param str filter: (optional), filter members returned by this method.
Can be one of: ``"2fa_disabled"``, ``"all",``. Default: ``"all"``.
Filtering by ``"2fa_disabled"`` is only available for organization
owners with private repositories.
:param str role: (optional), filter members returned by their role.
Can be one of: ``"all"``, ``"admin"``, ``"member"``. Default:
``"all"``.
:param int number: (optional), number of members to return. Default:
-1 will return all available.
:param str etag: (optional), ETag from a previous request to the same
endpoint
:returns: generator of :class:`User <github3.users.User>`\ s'

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

    headers = {}
    params = {}
    if (filter in self.members_filters):
        params[u'filter'] = filter
    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)
