def _schedule(self, n, f, *a, **kw):
        t = (n, f, a, kw)
        self.scheduled.append(t)
        return _DelayedCall(self.scheduled, t)
Deterministic, rigidly controlled stand-in for reactor.callLater().
dataset/ETHPy150Open twisted/nevow/nevow/test/test_athena.py/Transport._schedule