[Python-3000] Buildbots are all red

[Eric Smith]

Brett Cannon wrote:
> test_types is triggering an assertion error::
> 
>   Objects/stringlib/string_format.h:497: failed assertion
> `PyString_Check(result)'
> 
> A *really* quick session with gdb would seem to suggest that 'result'
> is actually a str, so I don't know what is going on. Don't have time
> to dig any deeper right now.

I'll check.

Eric.