Easy enough to wrap in a hasattr.  On my system only py31 complains, but on the Hudson autobuild, most versions complain about a missing attribute.
Easy enough to wrap in a hasattr.  On my system only py31 complains, but on
the Hudson autobuild, most versions complain about a missing attribute.

andreasvc/cython,dahebolangkuan/cython,achernet/cython,fabianrost84/cython,slonik-az/cython,madjar/cython,hpfem/cython,achernet/cython,scoder/cython,madjar/cython,dahebolangkuan/cython,rguillebert/CythonCTypesBackend,ABcDexter/cython,JelleZijlstra/cython,roxyboy/cython,slonik-az/cython,encukou/cython,hpfem/cython,ChristopherHogan/cython,fperez/cython,roxyboy/cython,larsmans/cython,c-blake/cython,hhsprings/cython,larsmans/cython,bzzzz/cython,marscher/cython,hickford/cython,fperez/cython,mcanthony/cython,da-woods/cython,achernet/cython,mrGeen/cython,acrispin/cython,andreasvc/cython,ABcDexter/cython,hickford/cython,fperez/cython,acrispin/cython,dahebolangkuan/cython,encukou/cython,rguillebert/CythonCTypesBackend,JelleZijlstra/cython,mcanthony/cython,achernet/cython,hpfem/cython,ABcDexter/cython,c-blake/cython,slonik-az/cython,madjar/cython,scoder/cython,slonik-az/cython,cython/cython,JelleZijlstra/cython,fperez/cython,acrispin/cython,cython/cython,slonik-az/cython,hhsprings/cython,c-blake/cython,bzzzz/cython,cython/cython,hhsprings/cython,encukou/cython,hpfem/cython,fabianrost84/cython,roxyboy/cython,larsmans/cython,ABcDexter/cython,rguillebert/CythonCTypesBackend,madjar/cython,andreasvc/cython,da-woods/cython,fperez/cython,mrGeen/cython,hickford/cython,da-woods/cython,dahebolangkuan/cython,hickford/cython,bzzzz/cython,c-blake/cython,fabianrost84/cython,marscher/cython,achernet/cython,mcanthony/cython,madjar/cython,hpfem/cython,mrGeen/cython,fabianrost84/cython,andreasvc/cython,rguillebert/CythonCTypesBackend,mcanthony/cython,marscher/cython,larsmans/cython,hhsprings/cython,hickford/cython,marscher/cython,scoder/cython,ChristopherHogan/cython,ABcDexter/cython,mrGeen/cython,acrispin/cython,JelleZijlstra/cython,dahebolangkuan/cython,andreasvc/cython,roxyboy/cython,mrGeen/cython,JelleZijlstra/cython,acrispin/cython,larsmans/cython,roxyboy/cython,fabianrost84/cython,bzzzz/cython,encukou/cython,cython/cython,marscher/cython,c-blake/cython,da-woods/cython,scoder/cython,encukou/cython,ChristopherHogan/cython,hhsprings/cython,mcanthony/cython