[issue18415] Normalize single/double quote usage in importlib

[Brett Cannon]

Brett Cannon added the comment:

I prefer single quotes (easier to type =) and yes, using double quotes instead of escaping is preferred.

When I have a chance I will take a look at the patch.

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stage: needs patch -> commit review

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18415>
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