avoid potentially unsafe downcast
avoid potentially unsafe downcast

fabianrost84/cython,hickford/cython,c-blake/cython,fperez/cython,cython/cython,scoder/cython,acrispin/cython,fperez/cython,ChristopherHogan/cython,hhsprings/cython,cython/cython,hickford/cython,mrGeen/cython,scoder/cython,mcanthony/cython,da-woods/cython,hhsprings/cython,fabianrost84/cython,fperez/cython,c-blake/cython,acrispin/cython,hhsprings/cython,mcanthony/cython,mrGeen/cython,hhsprings/cython,c-blake/cython,c-blake/cython,hickford/cython,acrispin/cython,hickford/cython,da-woods/cython,mrGeen/cython,scoder/cython,mrGeen/cython,hickford/cython,fperez/cython,cython/cython,da-woods/cython,fperez/cython,mcanthony/cython,c-blake/cython,fabianrost84/cython,fabianrost84/cython,scoder/cython,hhsprings/cython,ChristopherHogan/cython,mcanthony/cython,mcanthony/cython,acrispin/cython,fabianrost84/cython,mrGeen/cython,cython/cython,da-woods/cython,ChristopherHogan/cython,acrispin/cython