Serhiy Storchaka <storchaka+cpyt...@gmail.com> added the comment:
There are still cryptic TypeError messages for Annotated: >>> class X(Annotated[int | float, "const"]): pass ... Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: metaclass conflict: the metaclass of a derived class must be a (non-strict) subclass of the metaclasses of all its bases ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue44524> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com