[Python-3000] Release Countdown

["Martin v. Löwis"]

> If it works because the bytecode compiler changes x.split(":") into
> the moral equivalent of
> 
>     try:
>         x.split(":")
>     except StrNotBytesError:
>         x.split(b":")
> 
> that is good enough.

And how do you propose to implement that?

Regards,
Martin