[issue29113] modulefinder no longer finds all required modules for Python itself, due to use of __import__ in sysconfig

[Ned Deily]

Changes by Ned Deily <nad at python.org>:


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nosy: +doko
versions: +Python 3.7

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29113>
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