[issue23191] fnmatch regex cache use is not threadsafe

[Roundup Robot]

Roundup Robot added the comment:

New changeset fe12c34c39eb by Serhiy Storchaka in branch '2.7':
Issue #23191: fnmatch functions that use caching are now threadsafe.
https://hg.python.org/cpython/rev/fe12c34c39eb

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nosy: +python-dev

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<http://bugs.python.org/issue23191>
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