[issue16640] Less code under lock in sched.scheduler

[Antoine Pitrou]

Antoine Pitrou added the comment:

What is the point of having heapq.heappush under a lock if heapq.heappop in another method is not protected? The logic doesn't seem to make sense.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16640>
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