if branch from lp: gives a timeout, a traceback is shown to the user

I tried to install this plugin with bzr but it failed:

C:\Programme\Bazaar\plugins>bzr branch lp:bzr-xmloutput
bzr: ERROR: socket.error: (10060, 'Operation timed out')

Traceback (most recent call last):
  File "bzrlib\commands.pyo", line 857, in run_bzr_catch_errors
  File "bzrlib\commands.pyo", line 797, in run_bzr
  File "bzrlib\commands.pyo", line 499, in run_argv_aliases
  File "bzrlib\builtins.pyo", line 840, in run
  File "bzrlib\bzrdir.pyo", line 878, in open_tree_or_branch
  File "bzrlib\bzrdir.pyo", line 755, in open
  File "bzrlib\lazy_import.pyo", line 125, in __call__
  File "bzrlib\transport\__init__.pyo", line 1527, in get_transport
  File "bzrlib\directory_service.pyo", line 53, in dereference
  File "C:/Programme/Bazaar/plugins\launchpad\lp_directory.py", line 60, in look_up
  File "C:/Programme/Bazaar/plugins\launchpad\lp_directory.py", line 76, in _resolve
  File "C:/Programme/Bazaar/plugins\launchpad\lp_registration.py", line 182, in submit
  File "C:/Programme/Bazaar/plugins\launchpad\lp_registration.py", line 147, in send_request
  File "xmlrpclib.pyo", line 1147, in __call__
  File "xmlrpclib.pyo", line 1437, in __request
  File "xmlrpclib.pyo", line 1183, in request
  File "xmlrpclib.pyo", line 1297, in send_content
  File "httplib.pyo", line 860, in endheaders
  File "httplib.pyo", line 732, in _send_output
  File "httplib.pyo", line 699, in send
  File "httplib.pyo", line 1134, in connect
  File "<string>", line 1, in connect
error: (10060, 'Operation timed out')

bzr 1.6 on python 2.5.2 (win32)
arguments: ['bzr', 'branch', 'lp:bzr-xmloutput']
encoding: 'cp1252', fsenc: 'mbcs', lang: 'de'
plugins:
  bzrtools C:\Programme\Bazaar\plugins\bzrtools [1.6.0]
  launchpad C:\Programme\Bazaar\plugins\launchpad [unknown]
  qbzr C:\Programme\Bazaar\plugins\qbzr [0.9.3]
  svn C:\Programme\Bazaar\plugins\svn [0.4.11]
  xmloutput C:\Programme\Bazaar\plugins\xmloutput [0.6.2]
*** 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.