New submission from Alex Waygood <Alex.Waygood@Gmail.com>: The documentation on `GenericAlias` objects implies at multiple points that only container classes can implement `__class_getitem__`, and goes into very little detail about what it means for a non-container class to be parameterized. ---------- assignee: docs@python components: Documentation messages: 405384 nosy: AlexWaygood, docs@python, gvanrossum, kj, lukasz.langa priority: normal severity: normal status: open title: Documentation on `GenericAlias` objects could be improved type: behavior versions: Python 3.10, Python 3.11, Python 3.9 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue45680> _______________________________________