removed unused imports
removed unused imports

--HG--
extra : rebase_source : 09827cfa1f4958e1cfe95622fe4781ada9b0677c

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