[issue11022] locale.getpreferredencoding() must not set temporary LC_CTYPE

[STINNER Victor]

Changes by STINNER Victor <victor.stinner at gmail.com>:


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title: locale.setlocale() doesn't change I/O codec, os.environ does -> locale.getpreferredencoding() must not set temporary LC_CTYPE

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue11022>
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