Message 116309 - Python tracker

> Right. That's why I'm thinking that we should introduce some. TLS
> creation *can* fail, and it is unfortunate that the original
> introduction of this API forgot to consider that. Your patch did
> (de facto) introduce an error return code (originally 0, now -1).

Perhaps we can simply call Py_FatalError() instead? There's not much we
can do when such a failure occurs anyway.