[issue23102] distutils: isinstance checks fail with setuptools-monkeypatched Extension/Distribution

[Éric Araujo]

Changes by Éric Araujo <merwok at netwok.org>:


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title: distutils: tip-toe around quirks owing to setuptools monkey-patching Extension -> distutils: isinstance checks fail with setuptools-monkeypatched Extension/Distribution

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23102>
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