[issue15289] Adding __getitem__ as a class method doesn't work as expected

[Eric Snow]

Changes by Eric Snow <ericsnowcurrently at gmail.com>:


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components: +Interpreter Core -None
resolution:  -> invalid
stage:  -> committed/rejected
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15289>
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