[Python-3000] need help fixing broken tests in py3k-pep3137 branch

[Christian Heimes]

Christian Heimes wrote:
> Houston, we have a problem! The py3k PEP 3137 branch is seriously broken
> under Windows.

Fixed!

The PyUnicode_*MBCS* methods returned PyBytes instead of PyString. The
import machinery used PyString_AS_STRING() on it in once place and
triggered a nasty problem.

Christian