[issue18621] site.py keeps too much stuff alive when it patches builtins

[Antoine Pitrou]

Antoine Pitrou added the comment:

I went ahead and committed this, so that the effect of other improvements in the area stand out better.

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resolution:  -> fixed
stage: patch review -> committed/rejected
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18621>
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