Filipe Laíns <la...@riseup.net> added the comment: The annotations will effectively become strings, instead of object references, in Python 3.11, which solves this issue.
You can enable this behavior in holder Python version with `from __future__ import annotations`, see PEP 563[1]. >>> class Base: ... _sub: list[Sub] ... Traceback (most recent call last): File "<stdin>", line 1, in <module> File "<stdin>", line 2, in Base NameError: name 'Sub' is not defined >>> from __future__ import annotations >>> class Base: ... _sub: list[Sub] ... >>> class Sub: ... _parent: Base ... >>> [1] https://www.python.org/dev/peps/pep-0563/ ---------- nosy: +FFY00 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue44192> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
