[issue28637] Python startup performance regression

[STINNER Victor]

STINNER Victor added the comment:

site-not-use-re.patch: The change on site.py LGTM. I don't see why re was used in the first place for such simple text format ;-) I suggest to push the fix into Python 3.6 and 3.7.

But what is the change in Lib/collections/__init__.py?

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<http://bugs.python.org/issue28637>
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