Traceback (most recent call last): File "/usr/bin/beryl-settings", line 1948, in MakeCategoryArea(Category) File "/usr/bin/beryl-settings", line 1787, in MakeCategoryArea PlugInfo = MakePluginArea(Plugin) File "/usr/bin/beryl-settings", line 1690, in MakePluginArea MakeGroupArea(Group,NoteBook) File "/usr/bin/beryl-settings", line 1623, in MakeGroupArea if (MakeSubGroupArea(SubGroup,VBox)): File "/usr/bin/beryl-settings", line 1568, in MakeSubGroupArea GroupVBox.pack_start(MakeBackendWidgets(),True,True) File "/usr/bin/beryl-settings", line 1506, in MakeBackendWidgets for backend in berylsettings.Backends(): AttributeError: 'module' object has no attribute 'Backends'