[issue25872] multithreading traceback KeyError when modifying file

[Michael Graczyk]

Michael Graczyk <Michael at mgraczyk.com> added the comment:

This issue still exists in Python 3. The repro just needs to be changed so that the threads are actually started.

- map(lambda t: t.start(), threads)
- map(lambda t: t.join(), threads)
+ [t.start() for t in threads]
+ [t.join() for t in threads]

My fix is linked.

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nosy: +Michael Graczyk

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue25872>
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