New submission from Serhiy Storchaka <storchaka+cpyt...@gmail.com>:
typing.Union always collapsed to a simple type if it contains a single type. >>> import typing >>> typing.Union[int, typing.T][int] <class 'int'> But the builtin union type can contain a single type: >>> (int | typing.T)[int] int >>> type((int | typing.T)[int]) <class 'types.Union'> ---------- components: Interpreter Core messages: 397476 nosy: gvanrossum, kj, serhiy.storchaka priority: normal severity: normal status: open title: It is possible to create a 1-type union type type: behavior versions: Python 3.10, Python 3.11 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue44636> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com