[issue20319] concurrent.futures.wait() can block forever even if Futures have completed

[Glenn Langford]

Glenn Langford added the comment:

The same bug also exists in concurrent.futures.as_completed(). The minimal fix suggested here also works, but the bigger fix suggested in issue #20297 is recommended for as_completed().

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20319>
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