On Fri, Oct 4, 2019 at 7:53 PM Philippe Prados
<philippe.prados@gmail.com> wrote:
>
> For the specification, I propose just to update isinstance() and issubclass().
>
> And, for the implementation, I propose to migrate the _GenericAlias in core, that doesn't have a directly-accessible name or via alias in typing module.
>

Cool. Does the PEP say this now?

ChrisA