Fix for unicode_literals in scrub
Fix for unicode_literals in scrub

Here's an example where unicode_literals may not be a great idea: these should
probably be "native" strings, i.e., bytes on 2.x and unicode on 3.x.

m-urban/beets,arabenjamin/beets,ibmibmibm/beets,jackwilsdon/beets,moodboom/beets,gabrielaraujof/beets,mried/beets,shamangeorge/beets,kelvinhammond/beets,untitaker/beets,MyTunesFreeMusic/privacy-policy,jmwatte/beets,arabenjamin/beets,pkess/beets,shanemikel/beets,YetAnotherNerd/beets,sadatay/beets,drm00/beets,ruippeixotog/beets,PierreRust/beets,kelvinhammond/beets,Freso/beets,artemutin/beets,arabenjamin/beets,gabrielaraujof/beets,kareemallen/beets,multikatt/beets,mried/beets,MyTunesFreeMusic/privacy-policy,shamangeorge/beets,swt30/beets,Dishwishy/beets,diego-plan9/beets,beetbox/beets,Andypsamp/CODfinalJUNIT,sampsyo/beets,parapente/beets,madmouser1/beets,dfc/beets,gabrielaraujof/beets,asteven/beets,jcoady9/beets,mosesfistos1/beetbox,untitaker/beets,tima/beets,artemutin/beets,drm00/beets,mathstuf/beets,xsteadfastx/beets,Kraymer/beets,multikatt/beets,lightwang1/beets,Dishwishy/beets,dfc/beets,jackwilsdon/beets,Freso/beets,parapente/beets,beetbox/beets,imsparsh/beets,shanemikel/beets,shamangeorge/beets,LordSputnik/beets,mried/beets,Andypsamp/CODfinalJUNIT,ibmibmibm/beets,beetbox/beets,SusannaMaria/beets,Kraymer/beets,kelvinhammond/beets,Dishwishy/beets,PierreRust/beets,swt30/beets,YetAnotherNerd/beets,jcoady9/beets,sampsyo/beets,LordSputnik/beets,marcuskrahl/beets,marcuskrahl/beets,imsparsh/beets,mathstuf/beets,moodboom/beets,asteven/beets,sadatay/beets,multikatt/beets,randybias/beets,gabrielaraujof/beets,SusannaMaria/beets,lightwang1/beets,Andypsamp/CODjunit,untitaker/beets,shamangeorge/beets,MyTunesFreeMusic/privacy-policy,kareemallen/beets,randybias/beets,jackwilsdon/beets,diego-plan9/beets,sadatay/beets,jcoady9/beets,asteven/beets,madmouser1/beets,m-urban/beets,lengtche/beets,dfc/beets,sampsyo/beets,diego-plan9/beets,YetAnotherNerd/beets,kareemallen/beets,sadatay/beets,ruippeixotog/beets,untitaker/beets,m-urban/beets,PierreRust/beets,tima/beets,ibmibmibm/beets,artemutin/beets,drm00/beets,pkess/beets,jmwatte/beets,mathstuf/beets,parapente/beets,Andypsamp/CODjunit,MyTunesFreeMusic/privacy-policy,asteven/beets,lengtche/beets,Andypsamp/CODjunit,ibmibmibm/beets,SusannaMaria/beets,randybias/beets,tima/beets,arabenjamin/beets,ttsda/beets,mried/beets,moodboom/beets,diego-plan9/beets,m-urban/beets,madmouser1/beets,lengtche/beets,marcuskrahl/beets,PierreRust/beets,marcuskrahl/beets,Andypsamp/CODfinalJUNIT,jmwatte/beets,Andypsamp/CODjunit,ttsda/beets,SusannaMaria/beets,lightwang1/beets,mathstuf/beets,mosesfistos1/beetbox,ruippeixotog/beets,sampsyo/beets,swt30/beets,Kraymer/beets,moodboom/beets,ruippeixotog/beets,lightwang1/beets,ttsda/beets,kareemallen/beets,dfc/beets,xsteadfastx/beets,shanemikel/beets,randybias/beets,artemutin/beets,Kraymer/beets,drm00/beets,ttsda/beets,Freso/beets,kelvinhammond/beets,Freso/beets,pkess/beets,xsteadfastx/beets,madmouser1/beets,pkess/beets,jcoady9/beets,xsteadfastx/beets,Andypsamp/CODfinalJUNIT,LordSputnik/beets,beetbox/beets,imsparsh/beets,mosesfistos1/beetbox,Andypsamp/CODjunit,swt30/beets,imsparsh/beets,Andypsamp/CODfinalJUNIT,mosesfistos1/beetbox,parapente/beets,multikatt/beets,jackwilsdon/beets,lengtche/beets,YetAnotherNerd/beets,shanemikel/beets,Dishwishy/beets,LordSputnik/beets,jmwatte/beets,tima/beets