remove unused import
remove unused import

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