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.
---------- 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 _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue30146> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com