[issue34410] itertools.tee not thread-safe; can segfault interpreter when wrapped iterator releases GIL

[Raymond Hettinger]

Raymond Hettinger <raymond.hettinger at gmail.com> added the comment:

I've applied the patch to "master".  I considered backporting but am thinking that would be risky at this stage in the 3.8 release.

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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
versions: +Python 3.9 -Python 2.7, Python 3.6, Python 3.7, Python 3.8

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<https://bugs.python.org/issue34410>
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