[issue11572] bring Lib/copy.py to 100% coverage

[Berker Peksag]

Changes by Berker Peksag <berker.peksag at gmail.com>:


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components: +Library (Lib)
nosy: +berker.peksag
type:  -> enhancement
versions: +Python 3.5 -Python 3.3

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue11572>
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