fix test after changing dict.keys() in Py3
fix test after changing dict.keys() in Py3

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