fix recursive use of LetNodeMixin
fix recursive use of LetNodeMixin

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