open lastgenre genres file with codecs.open()
open lastgenre genres file with codecs.open()

This should fix an error when decoding the file on Windows. It defaults
to using the code page there and not utf-8 as intended for yaml.

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