make `%load_ext cython` still valid
make `%load_ext cython` still valid

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