Internal error when trying to pull

I just tried to pull to update my local nautilus repository and got this:

psusi@faldara:~/nautilus$ bzr pull
Using saved parent location: bzr+ssh://bazaar.launchpad.net/+branch/ubuntu/nautilus/
bzr: ERROR: httplib.BadStatusLine: ''

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 930, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1141, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 673, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 697, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 136, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 166, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/builtins.py", line 1225, in run
    possible_transports=possible_transports)
  File "/usr/lib/python2.7/dist-packages/bzrlib/branch.py", line 187, in open
    possible_transports=possible_transports)
  File "/usr/lib/python2.7/dist-packages/bzrlib/remote.py", line 795, in open_branch
    ignore_fallbacks=ignore_fallbacks)
  File "/usr/lib/python2.7/dist-packages/bzrlib/remote.py", line 777, in _open_branch
    possible_transports=possible_transports)
  File "/usr/lib/python2.7/dist-packages/bzrlib/remote.py", line 3366, in __init__
    hook(self)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/launchpad/__init__.py", line 131, in _check_is_up_to_date
    lp_api_lite.report_freshness(the_branch, verbosity, latest_pub)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/launchpad/lp_api_lite.py", line 285, in report_freshness
    latest_ver, branch_ver = _get_newest_versions(the_branch, latest_pub)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/launchpad/lp_api_lite.py", line 219, in _get_newest_versions
    latest_ver = latest_pub.get_latest_version()
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/launchpad/lp_api_lite.py", line 147, in get_latest_version
    json_info = self._get_lp_info()
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/launchpad/lp_api_lite.py", line 125, in _get_lp_info
    response = urllib2.urlopen(req)
  File "/usr/lib/python2.7/urllib2.py", line 127, in urlopen
    return _opener.open(url, data, timeout)
  File "/usr/lib/python2.7/urllib2.py", line 401, in open
    response = self._open(req, data)
  File "/usr/lib/python2.7/urllib2.py", line 419, in _open
    '_open', req)
  File "/usr/lib/python2.7/urllib2.py", line 379, in _call_chain
    result = func(*args)
  File "/usr/lib/python2.7/urllib2.py", line 1219, in https_open
    return self.do_open(httplib.HTTPSConnection, req)
  File "/usr/lib/python2.7/urllib2.py", line 1184, in do_open
    r = h.getresponse(buffering=True)
  File "/usr/lib/python2.7/httplib.py", line 1034, in getresponse
    response.begin()
  File "/usr/lib/python2.7/httplib.py", line 407, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python2.7/httplib.py", line 371, in _read_status
    raise BadStatusLine(line)
BadStatusLine: ''

bzr 2.6b2 on python 2.7.3 (Linux-3.5.0-18-generic-x86_64-with-
    Ubuntu-12.10-quantal)
arguments: ['/usr/bin/bzr', 'pull']
plugins: bash_completion[2.6b2], builddeb[2.7.0dev], bzrtools[2.5.0],
    changelog_merge[2.6b2], launchpad[2.6b2], netrc_credential_store[2.6b2],
    news_merge[2.6b2], po_merge[2.6b2], rewrite[0.6.4dev], weave_fmt[2.6b2]
encoding: 'utf-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'

*** Bazaar has encountered an internal error. This probably indicates a
    bug in Bazaar. You can help us fix it by filing a bug report at
        https://bugs.launchpad.net/bzr/+filebug
    including this traceback and a description of the problem.