Fix some pylint errors.
Fix some pylint errors.

Swift SVN r24275

slavapestov/swift,brentdax/swift,CodaFi/swift,tinysun212/swift-windows,atrick/swift,sschiau/swift,karwa/swift,russbishop/swift,arvedviehweger/swift,xwu/swift,ben-ng/swift,atrick/swift,rudkx/swift,kentya6/swift,kperryua/swift,swiftix/swift.old,stephentyrone/swift,tkremenek/swift,bitjammer/swift,johnno1962d/swift,austinzheng/swift,return/swift,manavgabhawala/swift,kentya6/swift,roambotics/swift,milseman/swift,danielmartin/swift,sdulal/swift,ken0nek/swift,adrfer/swift,benlangmuir/swift,shajrawi/swift,gribozavr/swift,hooman/swift,allevato/swift,karwa/swift,austinzheng/swift,bitjammer/swift,emilstahl/swift,roambotics/swift,roambotics/swift,austinzheng/swift,hughbe/swift,SwiftAndroid/swift,Ivacker/swift,mightydeveloper/swift,dreamsxin/swift,milseman/swift,austinzheng/swift,devincoughlin/swift,airspeedswift/swift,JGiola/swift,karwa/swift,sdulal/swift,hughbe/swift,jopamer/swift,zisko/swift,OscarSwanros/swift,KrishMunot/swift,jtbandes/swift,johnno1962d/swift,dduan/swift,CodaFi/swift,Ivacker/swift,ken0nek/swift,allevato/swift,therealbnut/swift,Ivacker/swift,JaSpa/swift,apple/swift,danielmartin/swift,johnno1962d/swift,kentya6/swift,LeoShimonaka/swift,parkera/swift,austinzheng/swift,sschiau/swift,frootloops/swift,ahoppen/swift,return/swift,tkremenek/swift,calebd/swift,KrishMunot/swift,IngmarStein/swift,ken0nek/swift,parkera/swift,LeoShimonaka/swift,LeoShimonaka/swift,jopamer/swift,adrfer/swift,jopamer/swift,OscarSwanros/swift,airspeedswift/swift,uasys/swift,gregomni/swift,gregomni/swift,ben-ng/swift,xedin/swift,mightydeveloper/swift,codestergit/swift,arvedviehweger/swift,djwbrown/swift,SwiftAndroid/swift,sdulal/swift,russbishop/swift,gottesmm/swift,kstaring/swift,calebd/swift,calebd/swift,devincoughlin/swift,SwiftAndroid/swift,gribozavr/swift,uasys/swift,kusl/swift,parkera/swift,MukeshKumarS/Swift,brentdax/swift,gribozavr/swift,shahmishal/swift,kstaring/swift,Ivacker/swift,Jnosh/swift,russbishop/swift,sdulal/swift,emilstahl/swift,KrishMunot/swift,nathawes/swift,gottesmm/swift,CodaFi/swift,kusl/swift,kusl/swift,xwu/swift,Jnosh/swift,kusl/swift,allevato/swift,brentdax/swift,sschiau/swift,calebd/swift,dduan/swift,modocache/swift,Ivacker/swift,danielmartin/swift,bitjammer/swift,mightydeveloper/swift,jmgc/swift,bitjammer/swift,karwa/swift,practicalswift/swift,glessard/swift,ken0nek/swift,gmilos/swift,zisko/swift,gregomni/swift,gribozavr/swift,aschwaighofer/swift,hooman/swift,harlanhaskins/swift,LeoShimonaka/swift,swiftix/swift,russbishop/swift,JaSpa/swift,kperryua/swift,russbishop/swift,LeoShimonaka/swift,xwu/swift,nathawes/swift,jtbandes/swift,emilstahl/swift,milseman/swift,amraboelela/swift,JaSpa/swift,gmilos/swift,modocache/swift,karwa/swift,airspeedswift/swift,shahmishal/swift,Jnosh/swift,lorentey/swift,adrfer/swift,practicalswift/swift,amraboelela/swift,karwa/swift,kentya6/swift,IngmarStein/swift,amraboelela/swift,ben-ng/swift,deyton/swift,xwu/swift,therealbnut/swift,Ivacker/swift,jckarter/swift,uasys/swift,SwiftAndroid/swift,hughbe/swift,khizkhiz/swift,ben-ng/swift,lorentey/swift,xedin/swift,manavgabhawala/swift,gmilos/swift,mightydeveloper/swift,jckarter/swift,practicalswift/swift,brentdax/swift,emilstahl/swift,allevato/swift,tinysun212/swift-windows,russbishop/swift,kentya6/swift,jopamer/swift,swiftix/swift,OscarSwanros/swift,JGiola/swift,ahoppen/swift,benlangmuir/swift,apple/swift,arvedviehweger/swift,djwbrown/swift,jckarter/swift,felix91gr/swift,modocache/swift,glessard/swift,tkremenek/swift,kentya6/swift,djwbrown/swift,alblue/swift,arvedviehweger/swift,brentdax/swift,tjw/swift,jtbandes/swift,brentdax/swift,sdulal/swift,ben-ng/swift,deyton/swift,rudkx/swift,swiftix/swift.old,cbrentharris/swift,tardieu/swift,nathawes/swift,kusl/swift,tardieu/swift,khizkhiz/swift,JGiola/swift,devincoughlin/swift,nathawes/swift,uasys/swift,alblue/swift,tkremenek/swift,swiftix/swift.old,gottesmm/swift,lorentey/swift,swiftix/swift.old,manavgabhawala/swift,arvedviehweger/swift,danielmartin/swift,xwu/swift,MukeshKumarS/Swift,glessard/swift,JGiola/swift,ken0nek/swift,stephentyrone/swift,aschwaighofer/swift,codestergit/swift,dduan/swift,sschiau/swift,kperryua/swift,OscarSwanros/swift,xedin/swift,aschwaighofer/swift,danielmartin/swift,airspeedswift/swift,kstaring/swift,devincoughlin/swift,airspeedswift/swift,modocache/swift,swiftix/swift,SwiftAndroid/swift,codestergit/swift,lorentey/swift,tardieu/swift,manavgabhawala/swift,hughbe/swift,jckarter/swift,jmgc/swift,austinzheng/swift,ben-ng/swift,gmilos/swift,bitjammer/swift,frootloops/swift,xedin/swift,MukeshKumarS/Swift,jtbandes/swift,rudkx/swift,parkera/swift,uasys/swift,felix91gr/swift,shahmishal/swift,zisko/swift,return/swift,stephentyrone/swift,ahoppen/swift,MukeshKumarS/Swift,felix91gr/swift,codestergit/swift,gribozavr/swift,hooman/swift,ken0nek/swift,devincoughlin/swift,sschiau/swift,practicalswift/swift,kusl/swift,jmgc/swift,dduan/swift,shajrawi/swift,djwbrown/swift,frootloops/swift,karwa/swift,harlanhaskins/swift,MukeshKumarS/Swift,rudkx/swift,parkera/swift,manavgabhawala/swift,JGiola/swift,emilstahl/swift,return/swift,alblue/swift,JaSpa/swift,harlanhaskins/swift,kentya6/swift,felix91gr/swift,adrfer/swift,gottesmm/swift,sschiau/swift,shajrawi/swift,swiftix/swift,kentya6/swift,manavgabhawala/swift,deyton/swift,roambotics/swift,hooman/swift,SwiftAndroid/swift,huonw/swift,dduan/swift,slavapestov/swift,uasys/swift,johnno1962d/swift,tinysun212/swift-windows,natecook1000/swift,therealbnut/swift,huonw/swift,kperryua/swift,tkremenek/swift,huonw/swift,stephentyrone/swift,shahmishal/swift,russbishop/swift,kperryua/swift,jopamer/swift,felix91gr/swift,gottesmm/swift,swiftix/swift,harlanhaskins/swift,karwa/swift,glessard/swift,OscarSwanros/swift,cbrentharris/swift,Ivacker/swift,therealbnut/swift,cbrentharris/swift,amraboelela/swift,gregomni/swift,amraboelela/swift,huonw/swift,ahoppen/swift,gmilos/swift,cbrentharris/swift,tjw/swift,huonw/swift,apple/swift,shahmishal/swift,natecook1000/swift,zisko/swift,djwbrown/swift,LeoShimonaka/swift,slavapestov/swift,MukeshKumarS/Swift,shahmishal/swift,gribozavr/swift,mightydeveloper/swift,calebd/swift,OscarSwanros/swift,jmgc/swift,tjw/swift,austinzheng/swift,gregomni/swift,amraboelela/swift,jtbandes/swift,benlangmuir/swift,dduan/swift,KrishMunot/swift,adrfer/swift,practicalswift/swift,JGiola/swift,milseman/swift,IngmarStein/swift,gottesmm/swift,LeoShimonaka/swift,bitjammer/swift,ken0nek/swift,natecook1000/swift,kstaring/swift,tinysun212/swift-windows,parkera/swift,swiftix/swift.old,sschiau/swift,sdulal/swift,danielmartin/swift,cbrentharris/swift,Jnosh/swift,brentdax/swift,airspeedswift/swift,tardieu/swift,modocache/swift,emilstahl/swift,xwu/swift,lorentey/swift,Jnosh/swift,sschiau/swift,tjw/swift,aschwaighofer/swift,jmgc/swift,ahoppen/swift,xwu/swift,felix91gr/swift,khizkhiz/swift,uasys/swift,therealbnut/swift,devincoughlin/swift,jtbandes/swift,mightydeveloper/swift,jopamer/swift,natecook1000/swift,shajrawi/swift,hughbe/swift,roambotics/swift,adrfer/swift,therealbnut/swift,tinysun212/swift-windows,frootloops/swift,xedin/swift,slavapestov/swift,milseman/swift,shahmishal/swift,kstaring/swift,huonw/swift,deyton/swift,kstaring/swift,tjw/swift,slavapestov/swift,tjw/swift,gribozavr/swift,swiftix/swift.old,gmilos/swift,tkremenek/swift,deyton/swift,practicalswift/swift,kusl/swift,arvedviehweger/swift,sdulal/swift,hughbe/swift,johnno1962d/swift,nathawes/swift,OscarSwanros/swift,frootloops/swift,dreamsxin/swift,jckarter/swift,gribozavr/swift,IngmarStein/swift,shajrawi/swift,glessard/swift,adrfer/swift,natecook1000/swift,calebd/swift,xedin/swift,hooman/swift,alblue/swift,frootloops/swift,apple/swift,Ivacker/swift,jmgc/swift,huonw/swift,nathawes/swift,Jnosh/swift,JaSpa/swift,atrick/swift,benlangmuir/swift,Jnosh/swift,xedin/swift,practicalswift/swift,benlangmuir/swift,dduan/swift,stephentyrone/swift,glessard/swift,JaSpa/swift,tinysun212/swift-windows,ahoppen/swift,harlanhaskins/swift,aschwaighofer/swift,parkera/swift,swiftix/swift.old,lorentey/swift,rudkx/swift,practicalswift/swift,shajrawi/swift,emilstahl/swift,xedin/swift,arvedviehweger/swift,modocache/swift,devincoughlin/swift,milseman/swift,natecook1000/swift,kstaring/swift,allevato/swift,therealbnut/swift,johnno1962d/swift,codestergit/swift,kperryua/swift,harlanhaskins/swift,felix91gr/swift,CodaFi/swift,manavgabhawala/swift,milseman/swift,benlangmuir/swift,djwbrown/swift,allevato/swift,IngmarStein/swift,gmilos/swift,slavapestov/swift,devincoughlin/swift,cbrentharris/swift,gottesmm/swift,gregomni/swift,hooman/swift,CodaFi/swift,frootloops/swift,lorentey/swift,LeoShimonaka/swift,hughbe/swift,khizkhiz/swift,nathawes/swift,zisko/swift,natecook1000/swift,return/swift,KrishMunot/swift,lorentey/swift,jckarter/swift,atrick/swift,khizkhiz/swift,swiftix/swift.old,JaSpa/swift,tardieu/swift,jopamer/swift,zisko/swift,tkremenek/swift,return/swift,tardieu/swift,KrishMunot/swift,apple/swift,shahmishal/swift,tjw/swift,MukeshKumarS/Swift,amraboelela/swift,roambotics/swift,jtbandes/swift,CodaFi/swift,harlanhaskins/swift,airspeedswift/swift,djwbrown/swift,atrick/swift,johnno1962d/swift,codestergit/swift,khizkhiz/swift,cbrentharris/swift,jckarter/swift,parkera/swift,allevato/swift,emilstahl/swift,shajrawi/swift,mightydeveloper/swift,shajrawi/swift,IngmarStein/swift,calebd/swift,mightydeveloper/swift,stephentyrone/swift,atrick/swift,codestergit/swift,deyton/swift,alblue/swift,tinysun212/swift-windows,SwiftAndroid/swift,CodaFi/swift,ben-ng/swift,jmgc/swift,kperryua/swift,deyton/swift,apple/swift,slavapestov/swift,hooman/swift,bitjammer/swift,zisko/swift,kusl/swift,rudkx/swift,khizkhiz/swift,swiftix/swift,stephentyrone/swift,alblue/swift,alblue/swift,aschwaighofer/swift,IngmarStein/swift,tardieu/swift,return/swift,danielmartin/swift,swiftix/swift,modocache/swift,aschwaighofer/swift,KrishMunot/swift,sdulal/swift,cbrentharris/swift