utils.do_in_mainthread: small change
utils.do_in_mainthread: small change

albertz/music-player,kingsj/music-player,albertz/music-player,albertz/music-player,albertz/music-player,albertz/music-player,albertz/music-player,kingsj/music-player,kingsj/music-player,kingsj/music-player,kingsj/music-player