Traceback (most recent call last):
  File "/usr/bin/dropbox", line 1248, in <module>
    ret = main(sys.argv)
  File "/usr/bin/dropbox", line 1237, in main
    result = commands[argv[i]](argv[i+1:])
  File "/usr/bin/dropbox", line 712, in update
    download()
  File "/usr/bin/dropbox", line 435, in download
    download = DownloadState()
  File "/usr/bin/dropbox", line 157, in __init__
    self.size = int(self.file.info()['content-length'])
  File "/usr/lib/python2.7/rfc822.py", line 388, in __getitem__
    return self.dict[name.lower()]
KeyError: 'content-length'