u1sdtool --info=nonExistingPath throws ugly error

u1sdtool --info=nonExistingPath crashes with the following output:

Usage: u1sdtool [option]

u1sdtool: error: PATH: '/home/bartrouw/nonExistingPath' don't exists
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/twisted/internet/base.py", line 413, in fireEvent
    DeferredList(beforeResults).addCallback(self._continueFiring)
  File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 297, in addCallback
    callbackKeywords=kw)
  File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 286, in addCallbacks
    self._runCallbacks()
  File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 542, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
--- <exception caught here> ---
  File "/usr/lib/python2.7/dist-packages/twisted/internet/base.py", line 426, in _continueFiring
    callable(*args, **kwargs)
  File "/usr/bin/u1sdtool", line 68, in main
    d = run(options, sync_daemon_tool, out)
  File "/usr/bin/u1sdtool", line 151, in run
    parser.error("PATH: '%s' don't exists" % path)
  File "/usr/lib/python2.7/optparse.py", line 1578, in error
    self.exit(2, "%s: error: %s\n" % (self.get_prog_name(), msg))
  File "/usr/lib/python2.7/optparse.py", line 1568, in exit
    sys.exit(status)
exceptions.SystemExit: 2

Ubuntu 11.04 beta
ubuntuone-client: 1.6.1-0ubuntu1 (natty)