[issue18608] Avoid keeping a strong reference to locale in the _io module

[Roundup Robot]

Roundup Robot added the comment:

New changeset 1c9aa4f68f2b by Antoine Pitrou in branch 'default':
Issue #18608: Avoid keeping a strong reference to the locale module inside the _io module.
http://hg.python.org/cpython/rev/1c9aa4f68f2b

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nosy: +python-dev

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18608>
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