fix crash due to non-owned reference
fix crash due to non-owned reference

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