[issue29923] PEP487 __init_subclass__ incompatible with abc.ABCMeta

Xiang Zhang added the comment: #29581 has reported a same one. :-) -- nosy: +xiang.zhang resolution: -> duplicate stage: -> resolved status: open -> closed superseder: -> __init_subclass__ causes TypeError when used with standard library metaclasses (such as ABCMeta) ___

[issue29923] PEP487 __init_subclass__ incompatible with abc.ABCMeta

Changes by Brian Petersen : -- components: -Library (Lib) type: -> behavior ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue29923] PEP487 __init_subclass__ incompatible with abc.ABCMeta

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 adding ABCMet