self._lazy_tail.addBoth(self._logcb, "got past _call_hook (turn_delay = %r)" % (self._turn_delay,))
self._lazy_tail.addCallback(lambda ign: task.deferLater(self._clock, self._turn_delay, self._turn_deque))
self._lazy_tail.addBoth(self._logcb, "got past deferLater")
self._lazy_tail.addBoth(self._logcb, "got past _call_hook (turn_delay = %r)" % (self._turn_delay,))
self._lazy_tail.addCallback(lambda ign: task.deferLater(self._clock, self._turn_delay, self._turn_deque))
self._lazy_tail.addBoth(self._logcb, "got past deferLater")