[Cython] Temps again

[Stefan Behnel]

Hi,

Dag Sverre Seljebotn wrote:
> Well, the entire tuple (or the object that holds it) could have been
> decrefed too many times and the memory reused for something else that is
> similar enough to bring you to the point of the crash....
> 
> Not very helpful :-)

;)

What bothers me is that it really doesn't look like the average ref-count
bug at all. I end up with a tuple like (<nil>, 'a string') in gdb and it
has a ref-count of 2, which makes perfect sense seeing the code.

Stefan