[issue29923] PEP487 __init_subclass__ incompatible with abc.ABCMeta

2017-03-27 Thread Brian Petersen
Changes by Brian Petersen : -- components: -Library (Lib) type: -> behavior ___ Python tracker <http://bugs.python.org/issue29923> ___ ___ Python-bugs-lis

[issue29923] PEP487 __init_subclass__ incompatible with abc.ABCMeta

2017-03-27 Thread Brian Petersen
New submission from Brian Petersen: First time issue reporter here. I really love PEP 487, but I'm finding the new __init_subclass__ functionality is not playing nicely with existing abstract class functionality. For example, taking the Quest example given in PEP 487 but simply a