def spawn_later(self, seconds, func, *args, **kwargs):
        group = self._greenlets
        g = group.greenlet_class(func, *args, **kwargs)
        g.start_later(seconds)
        group.add(g)
        return g
Spawn a greenlet in the future under this service
dataset/ETHPy150Open progrium/ginkgo/ginkgo/async/gevent.py/AsyncManager.spawn_later