=== SYSTEM INFORMATION:
Quod Libet 3.1.0
Mutagen 1.22
Python 2.7.6 (default, Feb 26 2014, 12:07:17) 
[GCC 4.8.2 20140206 (prerelease)] linux2
Platform Linux-3.14.1-1-ARCH-x86_64-with-glibc2.2.5

=== STACK TRACE
Traceback (most recent call last):

  File "/usr/lib/python2.7/site-packages/quodlibet/qltk/pluginwin.py", line 165, in cell_data3
    render.set_property('text', plugin.name)

AttributeError: 'NoneType' object has no attribute 'name'



=== LOG: 'Debug'
D: 384.47: PluginManager.rescan: Rescanning done.
D: 384.47: PluginManager.register_handler: Registering handler: 'EditTagsPluginHandler'
D: 384.47: PluginManager.register_handler: Registering handler: 'RenameFilesPluginHandler'
D: 384.47: PluginManager.register_handler: Registering handler: 'TagsFromPathPluginHandler'
D: 384.47: PluginManager.register_handler: Registering handler: 'GStreamerPlayer'
D: 384.47: PluginManager.register_handler: Registering handler: 'SongsMenuPluginHandler'
D: 384.47: PluginManager.register_handler: Registering handler: 'CoverPluginHandler'
D: 384.48: PluginManager.register_handler: Registering handler: 'PlaylistPluginHandler'
D: 384.64: PluginManager.register_handler: Registering handler: 'PlayOrder'
D: 384.64: PlaylistModel.set: Clearing model.
D: 384.64: PlaylistModel.set: Setting 0 songs.
D: 384.64: PlaylistModel.set: Done filling model.
D: 384.64: CoPool.add: Added copool function <bound method GObjectMeta.__build_model of <class 'quodlibet.qltk.completion.LibraryTagCompletion'>> with id <bound method GObjectMeta.__build_model of <class 'quodlibet.qltk.completion.LibraryTagCompletion'>>
D: 384.66: GStreamerPlayer.go_to: Going to None
D: 384.66: PlaylistMux.go_to: Told to go to None
D: 384.66: PlaylistModel.go_to: Told to go to None
D: 384.66: PlaylistModel.go_to: Told to go to None
D: 384.66: GStreamerPlayer._end: End song
D: 384.66: GStreamerPlayer._end: Next song
D: 384.66: CoPool.add: Added copool function <bound method SongFileLibrary.rebuild of <SongFileLibrary object at 0x2b38910 (quodlibet+library+libraries+SongFileLibrary at 0x23c04a0)>> with id 'library'
D: 384.66: qltk.window.__restore_state: Restore state
D: 384.66: qltk.window.__restore_position: Restore position
D: 384.66: qltk.window.__restore_size: Restore size
D: 384.66: PluginManager.register_handler: Registering handler: 'EventPluginHandler'
D: 384.67: qltk.mmkeys_.init: Grab multimedia keys
D: 384.68: qltk.mmkeys_.init: dbus mmkeys: ok
D: 384.68: qltk.session.init: Connected with gnome session manager: /org/gnome/SessionManager/Client15
D: 384.68: CoPool.add: Added copool function <function periodic_config_save at 0x34e1500> with id <function periodic_config_save at 0x34e1500>
D: 384.68: CoPool.add: Added copool function <function periodic_library_save at 0x34e1578> with id <function periodic_library_save at 0x34e1578>
D: 384.68: quodlibet.main: Entering quodlibet.main
D: 384.88: quodlibet.install_glib_handler: Register GLib signal handler: 2
D: 384.88: quodlibet.install_glib_handler: Register GLib signal handler: 15
D: 384.88: quodlibet.install_glib_handler: Register GLib signal handler: 1
D: 384.91: quodlibet._override_exceptions: Enabling custom exception handler.
D: 384.91: PlaylistModel.set: Clearing model.
D: 384.91: PlaylistModel.set: Setting 0 songs.
D: 384.91: PlaylistModel.set: Done filling model.
D: 384.91: GStreamerPlayer.go_to: Going to None
D: 384.91: PlaylistMux.go_to: Told to go to None
D: 384.91: PlaylistModel.go_to: Told to go to None
D: 384.91: PlaylistModel.go_to: Told to go to None
D: 384.91: GStreamerPlayer._end: End song
D: 384.92: GStreamerPlayer._end: Next song
D: 384.92: qltk.quodlibetwindow.__configure_scan_dirs: Couldn't find any scan dirs
D: 385.01: qltk.completion.__build_model: Updating tag model for whole library
D: 385.01: qltk.completion.__build_model: Done updating tag model for whole library
D: 385.01: CoPool.remove: Removed copool function id <bound method GObjectMeta.__build_model of <class 'quodlibet.qltk.completion.LibraryTagCompletion'>>
D: 385.01: SongFileLibrary.rebuild: Rebuilding, force is False.
D: 385.01: SongFileLibrary.rebuild: Removing 0, changing 0.
D: 385.01: CoPool.remove: Removed copool function id 'library'


=== LOG: u'Warnings'
W: Couldn't connect to a device backend.
W: No device backend, Media Devices browser disabled.