[issue9018] os.path.normcase(None) does not raise an error on linux and should

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

> I've only marked this for 3.2 because I suspect there may be linux code 
> out there that this will break,

It should be noticed that Linux-only code has absolutely no point in using normcase(), since it's a no-op there.

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nosy: +pitrou

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9018>
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