[Docs-bugs] [issue45680] Documentation on `GenericAlias` objects and `__class_getitem__` could be improved

Change by Alex Waygood <Alex.Waygood@Gmail.com>: ---------- title: Documentation on `GenericAlias` objects could be improved -> Documentation on `GenericAlias` objects and `__class_getitem__` could be improved _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue45680> _______________________________________