Traceback after installing bzr 2.2.3

[Eli Zaretskii]

After installing Bazaar 2.2.3 on Windows XPSP2, I get this in .bzr.log
when I type "bzr plugins":

  0.110  bazaar version: 2.2.3
  0.110  bzr arguments: [u'plugins']
  0.125  looking for plugins in C:/Documents and Settings/Zaretzky/Application Data/bazaar/2.0/plugins
  0.125  looking for plugins in D:/usr/Bazaar/plugins
  0.391  encoding stdout as sys.stdout encoding 'cp1252'
  0.407  Traceback (most recent call last):
    File "bzrlib\plugin.pyo", line 542, in _get__version__
    File "bzrlib\__init__.pyo", line 117, in _format_version_tuple
  ValueError: version_info (1, 1, 0, 'pre', 0) not valid

  0.469  Transferred: 0kB (0.0kB/s r:0kB w:0kB)
  0.469  return code 0

It exits with zero status, so there's no error on the screen, though.