fix another unicode error
fix another unicode error

the unicode strings are not binary - rely on Python to do the right
thing here instead of encoding a string we know is already properly
encoded

jackwilsdon/beets,shamangeorge/beets,shamangeorge/beets,beetbox/beets,sampsyo/beets,beetbox/beets,shamangeorge/beets,SusannaMaria/beets,beetbox/beets,jackwilsdon/beets,sampsyo/beets,shamangeorge/beets,beetbox/beets,ibmibmibm/beets,ibmibmibm/beets,jackwilsdon/beets,sampsyo/beets,sampsyo/beets,ibmibmibm/beets,jackwilsdon/beets,SusannaMaria/beets,SusannaMaria/beets,SusannaMaria/beets,ibmibmibm/beets