Traceback (most recent call last):
  File "/usr/bin/dropbox", line 1384, in <module>
    ret = main(sys.argv)
  File "/usr/bin/dropbox", line 1373, in main
    result = commands[argv[i]](argv[i+1:])
  File "/usr/bin/dropbox", line 806, in update
    download()
  File "/usr/bin/dropbox", line 535, in download
    setprogress(DOWNLOADING, float(progress)/download.size)
ZeroDivisionError: float division by zero