validation: explicitly use integral division
validation: explicitly use integral division

Division behaviour changed between Python 2 and Python 3.  Explicitly
indicate that we wish to use integral division here.

jmgc/swift,jckarter/swift,parkera/swift,nathawes/swift,benlangmuir/swift,CodaFi/swift,airspeedswift/swift,CodaFi/swift,tkremenek/swift,xwu/swift,JGiola/swift,rudkx/swift,benlangmuir/swift,allevato/swift,ahoppen/swift,atrick/swift,parkera/swift,roambotics/swift,roambotics/swift,ahoppen/swift,hooman/swift,jckarter/swift,gregomni/swift,CodaFi/swift,tkremenek/swift,tkremenek/swift,JGiola/swift,jmgc/swift,glessard/swift,xwu/swift,airspeedswift/swift,gregomni/swift,apple/swift,benlangmuir/swift,glessard/swift,airspeedswift/swift,gregomni/swift,JGiola/swift,roambotics/swift,parkera/swift,tkremenek/swift,JGiola/swift,hooman/swift,allevato/swift,xwu/swift,atrick/swift,parkera/swift,jckarter/swift,nathawes/swift,xwu/swift,hooman/swift,tkremenek/swift,airspeedswift/swift,gregomni/swift,parkera/swift,roambotics/swift,airspeedswift/swift,nathawes/swift,glessard/swift,gregomni/swift,tkremenek/swift,tkremenek/swift,JGiola/swift,jmgc/swift,allevato/swift,rudkx/swift,atrick/swift,jmgc/swift,CodaFi/swift,nathawes/swift,glessard/swift,glessard/swift,parkera/swift,ahoppen/swift,airspeedswift/swift,ahoppen/swift,allevato/swift,atrick/swift,roambotics/swift,allevato/swift,CodaFi/swift,jckarter/swift,xwu/swift,atrick/swift,nathawes/swift,CodaFi/swift,jckarter/swift,hooman/swift,jmgc/swift,JGiola/swift,xwu/swift,ahoppen/swift,CodaFi/swift,airspeedswift/swift,roambotics/swift,hooman/swift,apple/swift,hooman/swift,apple/swift,nathawes/swift,benlangmuir/swift,jmgc/swift,allevato/swift,jmgc/swift,apple/swift,hooman/swift,apple/swift,gregomni/swift,rudkx/swift,jckarter/swift,rudkx/swift,jckarter/swift,allevato/swift,benlangmuir/swift,parkera/swift,rudkx/swift,atrick/swift,parkera/swift,ahoppen/swift,rudkx/swift,xwu/swift,apple/swift,glessard/swift,benlangmuir/swift,nathawes/swift