Fix cython compilation problem
Fix cython compilation problem

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