[issue21009] Potential deadlock in concurrent futures when garbage collection occurs during Queue.get

[Patrik Dufresne]

Patrik Dufresne added the comment:

I've encounter this issue. To easily avoid this issue, I've change `queue.put(None)` to `queue.put(None, block=False)` to work around this.

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nosy: +Patrik Dufresne

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21009>
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