replace .decode('utf-8') with as_string() from #2094
replace .decode('utf-8') with as_string() from #2094

They are strings in py3, so they need to stay that way

shamangeorge/beets,jackwilsdon/beets,ibmibmibm/beets,sampsyo/beets,beetbox/beets,diego-plan9/beets,diego-plan9/beets,mosesfistos1/beetbox,shamangeorge/beets,lengtche/beets,MyTunesFreeMusic/privacy-policy,ibmibmibm/beets,diego-plan9/beets,sampsyo/beets,artemutin/beets,artemutin/beets,artemutin/beets,xsteadfastx/beets,beetbox/beets,beetbox/beets,lengtche/beets,xsteadfastx/beets,sampsyo/beets,shamangeorge/beets,jcoady9/beets,xsteadfastx/beets,ibmibmibm/beets,jackwilsdon/beets,jackwilsdon/beets,madmouser1/beets,mosesfistos1/beetbox,SusannaMaria/beets,beetbox/beets,MyTunesFreeMusic/privacy-policy,pkess/beets,xsteadfastx/beets,madmouser1/beets,shamangeorge/beets,jcoady9/beets,ibmibmibm/beets,pkess/beets,mosesfistos1/beetbox,jackwilsdon/beets,Kraymer/beets,SusannaMaria/beets,madmouser1/beets,MyTunesFreeMusic/privacy-policy,MyTunesFreeMusic/privacy-policy,pkess/beets,Kraymer/beets,sampsyo/beets,lengtche/beets,diego-plan9/beets,Kraymer/beets,lengtche/beets,SusannaMaria/beets,jcoady9/beets,pkess/beets,jcoady9/beets,mosesfistos1/beetbox,Kraymer/beets,artemutin/beets,SusannaMaria/beets,madmouser1/beets