[issue8750] Many of MutableSet's methods assume that the other parameter is not self

[Daniel Stutzbach]

Daniel Stutzbach <daniel at stutzbachenterprises.com> added the comment:

Committed as r84301, r84302, and r84305.

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keywords:  -needs review
stage: patch review -> committed/rejected
status: open -> closed
versions:  -Python 2.6

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue8750>
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