fix yesnoababstain in views.py
fix yesnoababstain in views.py

OpenSlides/OpenSlides,ostcar/OpenSlides,OpenSlides/OpenSlides,FinnStutzenstein/OpenSlides,jwinzer/OpenSlides,CatoTH/OpenSlides,emanuelschuetze/OpenSlides,jwinzer/OpenSlides,CatoTH/OpenSlides,jwinzer/OpenSlides,emanuelschuetze/OpenSlides,rolandgeider/OpenSlides,normanjaeckel/OpenSlides,boehlke/OpenSlides,tsiegleauq/OpenSlides,FinnStutzenstein/OpenSlides,CatoTH/OpenSlides,boehlke/OpenSlides,CatoTH/OpenSlides,ostcar/OpenSlides,jwinzer/OpenSlides,normanjaeckel/OpenSlides,rolandgeider/OpenSlides,ostcar/OpenSlides,tsiegleauq/OpenSlides,emanuelschuetze/OpenSlides,normanjaeckel/OpenSlides,jwinzer/OpenSlides,normanjaeckel/OpenSlides,rolandgeider/OpenSlides,FinnStutzenstein/OpenSlides,FinnStutzenstein/OpenSlides,boehlke/OpenSlides,tsiegleauq/OpenSlides,emanuelschuetze/OpenSlides,boehlke/OpenSlides