astropy/astropy — comment on commit 8de49c6020feda44a992ae5f824ec1e3d8e0fd0b
File:  line 0
By iguananaut:

Wow, that's annoying.

Actually, I think I ran into the 3.1 issue in pyfits, but had some sort of workaround for it. I can't remember exactly though...I don't test on 3.1 that often.