[issue25856] The __module__ attribute of non-heap classes is not interned

[Serhiy Storchaka]

Changes by Serhiy Storchaka <storchaka at gmail.com>:


Added file: http://bugs.python.org/file41444/intern_and_cache___module__.patch

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25856>
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