[issue13948] rm needless use of set function

[Éric Araujo]

Éric Araujo <merwok at netwok.org> added the comment:

Yes, this test method could be a little clearer.  I’ll do this.

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assignee: tarek -> eric.araujo
versions: +3rd party

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue13948>
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