knapp@knapp-desktop:~$ listen

(listen.py:18105): Gtk-WARNING **: Locale not supported by C library.
        Using the fallback 'C' locale.
Traceback (most recent call last):
  File "/usr/lib/listen/listen.py", line 209, in ?
    ListenApp()
  File "/usr/lib/listen/listen.py", line 94, in __init__
    locale.setlocale(locale.LC_ALL, '')
  File "/usr/lib/python2.4/locale.py", line 381, in setlocale
    return _setlocale(category, locale)
locale.Error: unsupported locale setting