Traceback (most recent call last):
  File "/usr/share/jokosher/EventViewer.py", line 660, in TrimToSelection
    self.event.Trim(self.event.selection[0], self.event.selection[1])
  File "/usr/share/jokosher/CommandManager.py", line 133, in __call__
    return self.fun(*(self.pending + args), **kw)
  File "/usr/share/jokosher/CommandManager.py", line 77, in wrapperFunction
    out = func(*args,**kwargs)
  File "/usr/share/jokosher/Event.py", line 406, in Trim
    leftSplit = self.split_event(start_split, False)
  File "/usr/share/jokosher/Event.py", line 352, in split_event
    e.__UpdateAudioFadePoints()
  File "/usr/share/jokosher/Event.py", line 733, in __UpdateAudioFadePoints
    self.__UpdateFadeLevels()
  File "/usr/share/jokosher/Event.py", line 744, in __UpdateFadeLevels
    oneSecondInLevels = len(self.levels) / self.duration
ZeroDivisionError: float division