fix signature mismatch in doc example
fix signature mismatch in doc example

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