[issue30146] Difference in behavior between set() and collections.abc.MutableSet() derived objects

[Ned Deily]

Ned Deily added the comment:

OK, thanks for supplying a concrete example.  From it, it's clear that it has nothing specific to do with Python on macOS.  Adding Raymond as maintainer of sets.

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components:  -macOS
nosy: +rhettinger -ronaldoussoren
title: Fix for issue 8743 not available in python MacOS 3.6.1 -> Difference in behavior between set() and collections.abc.MutableSet() derived objects

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30146>
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