docs: def has_in_members(self, member):
          """
          :calls: `GET /teams/:id/members/:user <http://developer.github.com/v3/orgs/teams>`_
          :param member: :class:`github.NamedUser.NamedUser`
          :rtype: bool
          """
          assert isinstance(member, github.NamedUser.NamedUser), member
          status, headers, data = self._requester.requestJson(
              "GET",
              self.url + "/members/" + member._identity
          )
          return status == 204