minor Python style; move namedtuples to module
minor Python style; move namedtuples to module

ttsda/beets,Andypsamp/CODfinalJUNIT,m-urban/beets,untitaker/beets,marcuskrahl/beets,multikatt/beets,mried/beets,Freso/beets,SusannaMaria/beets,arabenjamin/beets,mried/beets,beetbox/beets,lightwang1/beets,pkess/beets,artemutin/beets,arabenjamin/beets,Kraymer/beets,kareemallen/beets,swt30/beets,tima/beets,jmwatte/beets,tima/beets,Kraymer/beets,drm00/beets,SusannaMaria/beets,jcoady9/beets,ibmibmibm/beets,LordSputnik/beets,lightwang1/beets,lengtche/beets,ttsda/beets,randybias/beets,shanemikel/beets,madmouser1/beets,sadatay/beets,LordSputnik/beets,pkess/beets,gabrielaraujof/beets,asteven/beets,dfc/beets,gabrielaraujof/beets,kareemallen/beets,Dishwishy/beets,mosesfistos1/beetbox,sampsyo/beets,mried/beets,parapente/beets,shamangeorge/beets,YetAnotherNerd/beets,randybias/beets,m-urban/beets,mathstuf/beets,madmouser1/beets,Wen777/beets,m-urban/beets,pkess/beets,ruippeixotog/beets,moodboom/beets,ttsda/beets,lightwang1/beets,Andypsamp/CODjunit,xsteadfastx/beets,PierreRust/beets,lightwang1/beets,jmwatte/beets,Wen777/beets,MyTunesFreeMusic/privacy-policy,sadatay/beets,MyTunesFreeMusic/privacy-policy,imsparsh/beets,jackwilsdon/beets,kelvinhammond/beets,Andypsamp/CODfinalJUNIT,Dishwishy/beets,moodboom/beets,multikatt/beets,jackwilsdon/beets,kelvinhammond/beets,xsteadfastx/beets,shamangeorge/beets,marcuskrahl/beets,m-urban/beets,YetAnotherNerd/beets,bj-yinyan/beets,randybias/beets,YetAnotherNerd/beets,arabenjamin/beets,randybias/beets,Freso/beets,untitaker/beets,Kraymer/beets,bj-yinyan/beets,PierreRust/beets,MyTunesFreeMusic/privacy-policy,marcuskrahl/beets,gabrielaraujof/beets,shamangeorge/beets,Freso/beets,MyTunesFreeMusic/privacy-policy,jmwatte/beets,beetbox/beets,lengtche/beets,ibmibmibm/beets,shanemikel/beets,madmouser1/beets,PierreRust/beets,drm00/beets,andremiller/beets,jackwilsdon/beets,Andypsamp/CODfinalJUNIT,Andypsamp/CODjunit,mried/beets,Kraymer/beets,Wen777/beets,dfc/beets,jcoady9/beets,diego-plan9/beets,swt30/beets,asteven/beets,ruippeixotog/beets,ruippeixotog/beets,Andypsamp/CODjunit,PierreRust/beets,mathstuf/beets,beetbox/beets,jmwatte/beets,pkess/beets,moodboom/beets,mathstuf/beets,kelvinhammond/beets,tima/beets,jcoady9/beets,untitaker/beets,xsteadfastx/beets,imsparsh/beets,drm00/beets,moodboom/beets,asteven/beets,parapente/beets,marcuskrahl/beets,gabrielaraujof/beets,ttsda/beets,Andypsamp/CODfinalJUNIT,diego-plan9/beets,kareemallen/beets,multikatt/beets,kelvinhammond/beets,beetbox/beets,bj-yinyan/beets,arabenjamin/beets,Dishwishy/beets,artemutin/beets,artemutin/beets,bj-yinyan/beets,shamangeorge/beets,jcoady9/beets,sampsyo/beets,swt30/beets,Andypsamp/CODjunit,untitaker/beets,LordSputnik/beets,lengtche/beets,ibmibmibm/beets,imsparsh/beets,swt30/beets,parapente/beets,kareemallen/beets,Andypsamp/CODjunit,ruippeixotog/beets,dfc/beets,tima/beets,sadatay/beets,sampsyo/beets,jackwilsdon/beets,sadatay/beets,dfc/beets,multikatt/beets,Andypsamp/CODfinalJUNIT,SusannaMaria/beets,drm00/beets,xsteadfastx/beets,lengtche/beets,mosesfistos1/beetbox,madmouser1/beets,sampsyo/beets,SusannaMaria/beets,parapente/beets,Freso/beets,YetAnotherNerd/beets,ibmibmibm/beets,diego-plan9/beets,andremiller/beets,shanemikel/beets,mosesfistos1/beetbox,Dishwishy/beets,mathstuf/beets,shanemikel/beets,artemutin/beets,andremiller/beets,diego-plan9/beets,LordSputnik/beets,asteven/beets,mosesfistos1/beetbox,imsparsh/beets