fix "unused" marker in utility code
fix "unused" marker in utility code

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