bzr-pqm plugin in jaunty tracebacks

[Tom Haddon]

mthaddon@hurlyburly:~/repos/canonical-launchpad/list-team-members-fix$ bzr pqm-submit -m '[r=Edwin][ui=None] Adding an option to the list-team-members script to allow for a query of the ssh keys of a user'
Checking the working tree is clean ...
Checking that the public branch is up to date ...

You need a passphrase to unlock the secret key for
user: "Tom Haddon <email address hidden>"
1024-bit DSA key, ID 3F02A4DF, created 2007-03-07

bzr: ERROR: exceptions.TypeError: character mapping must return integer, None or unicode

Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 716, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 911, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 547, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.6/dist-packages/bzrlib/plugins/pqm/__init__.py", line 110, in run
    tree=tree)
  File "/usr/lib/python2.6/dist-packages/bzrlib/plugins/pqm/pqm_submit.py", line 215, in submit
    SMTPConnection(config).send_email(message)
  File "/usr/lib/python2.6/dist-packages/bzrlib/smtp_connection.py", line 152, in send_email
    self._connect()
  File "/usr/lib/python2.6/dist-packages/bzrlib/smtp_connection.py", line 67, in _connect
    self._authenticate()
  File "/usr/lib/python2.6/dist-packages/bzrlib/smtp_connection.py", line 114, in _authenticate
    self._connection.login(self._smtp_username, self._smtp_password)
  File "/usr/lib/python2.6/smtplib.py", line 574, in login
    (code, resp) = self.docmd(encode_cram_md5(resp, user, password))
  File "/usr/lib/python2.6/smtplib.py", line 538, in encode_cram_md5
    response = user + " " + hmac.HMAC(password, challenge).hexdigest()
  File "/usr/lib/python2.6/hmac.py", line 72, in __init__
    self.outer.update(key.translate(trans_5C))
TypeError: character mapping must return integer, None or unicode

bzr 1.13.1 on python 2.6.2 (linux2)
arguments: ['/usr/bin/bzr', 'pqm-submit', '-m', '[r=Edwin][ui=None] Adding an option to the list-team-members script to allow for a query of the ssh keys of a user']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'
plugins:
  bzrtools /usr/lib/python2.6/dist-packages/bzrlib/plugins/bzrtools [1.13]
  launchpad /usr/lib/python2.6/dist-packages/bzrlib/plugins/launchpad [unknown]
  lpreview /home/mthaddon/.bazaar/plugins/lpreview [unknown]
  netrc_credential_store /usr/lib/python2.6/dist-packages/bzrlib/plugins/netrc_credential_store [unknown]
  pqm /usr/lib/python2.6/dist-packages/bzrlib/plugins/pqm [1.3]
  rebase /home/mthaddon/.bazaar/plugins/rebase [0.4.5dev]
  svn /home/mthaddon/.bazaar/plugins/svn [0.5.4dev]
*** Bazaar has encountered an internal error.
    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
    including this traceback, and a description of what you
    were doing when the error occurred.