Ошибка: ubuntu Tweak

Народ!!!кто подскажет?при запуске Ubuntu Tweak вылетает ошибка: (Нажмите, чтобы показать/скрыть)Traceback (most recent call last): File "/usr/bin/ubuntu-tweak", line 109, in from ubuntutweak.mainwindow import MainWindow File "/usr/lib/python2.6/dist-packages/ubuntutweak/mainwindow.py", line 148, in MLOADER = ModuleLoader(modules.__path__[0]) File "/usr/lib/python2.6/dist-packages/ubuntutweak/modules/__init__.py", line 27, in __init__ package = __import__('.'.join([__name__, module]), fromlist=['modules']) File "/usr/lib/python2.6/dist-packages/ubuntutweak/modules/cleaner.py", line 39, in from ubuntutweak.widgets.utils import ProcessDialog, SmartTerminal, TerminalDialog File "/usr/lib/python2.6/dist-packages/ubuntutweak/widgets/utils.py", line 20, in import vteImportError: No module named vte