[issue7846] Fnmatch cache is never cleared during usage

[Antoine Pitrou]

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

Instead of writing `bytes('foo', encoding='ascii')`, you can just write `b'foo'`. Otherwise, patch looks ok.

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nosy: +pitrou

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue7846>
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