Traceback (most recent call last):
  File "/usr/share/screenlets/ClearCalendar/ClearCalendarScreenlet.py", line 462, in <module>
    screenlets.session.create_session(ClearCalendarScreenlet)
  File "/usr/lib/pymodules/python2.6/screenlets/session.py", line 472, in create_session
    session.start()
  File "/usr/lib/pymodules/python2.6/screenlets/session.py", line 237, in start
    if self.__load_instances():
  File "/usr/lib/pymodules/python2.6/screenlets/session.py", line 396, in __load_instances
    self.__restore_options_from_backend(sl, self.path+filename)
  File "/usr/lib/pymodules/python2.6/screenlets/session.py", line 422, in __restore_options_from_backend
    setattr(screenlet, opt.name, opt.on_import(opts[o]))
  File "/usr/share/screenlets/ClearCalendar/ClearCalendarScreenlet.py", line 125, in __setattr__
    = self.__day_names.index(self.first_weekday)
ValueError: list.index(x): x not in list