[issue4727] pickle/copyreg doesn't support keyword only arguments in __new__

[Alexander Belopolsky]

Changes by Alexander Belopolsky <belopolsky at users.sourceforge.net>:


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stage:  -> needs patch
versions: +Python 3.2 -Python 2.7, Python 3.1

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4727>
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