fred@trap:~/src/jhdebuild$ bzr svn-upgrade
Using saved location: svn+ssh://fpeters@svn.gnome.org/svn/jhbuild/trunk
bzr: ERROR: exceptions.TypeError: iteration over non-sequence

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/bzrlib/commands.py", line 800, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/usr/lib/python2.4/site-packages/bzrlib/commands.py", line 758, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.4/site-packages/bzrlib/commands.py", line 492, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.4/site-packages/bzrlib/commands.py", line 768, in ignore_pipe
    result = func(*args, **kwargs)
  File "/usr/lib/python2.4/site-packages/bzrlib/plugins/svn/__init__.py", line 254, in run
    verbose=verbose)
  File "/usr/lib/python2.4/site-packages/bzrlib/plugins/svn/upgrade.py", line 84, in upgrade_workingtree
    upgrade_branch(wt.branch, svn_repository, allow_changes=allow_changes, verbose=verbose)
  File "/usr/lib/python2.4/site-packages/bzrlib/plugins/svn/upgrade.py", line 100, in upgrade_branch
    revid, allow_changes=allow_changes, verbose=verbose)
  File "/usr/lib/python2.4/site-packages/bzrlib/plugins/svn/upgrade.py", line 205, in upgrade_repository
    allow_changes=allow_changes)
  File "/usr/lib/python2.4/site-packages/bzrlib/plugins/svn/upgrade.py", line 172, in create_upgrade_plan
    create_upgraded_revid)
  File "/usr/lib/python2.4/site-packages/bzrlib/plugins/rebase/rebase.py", line 161, in generate_transpose_plan
    for r in renames:
TypeError: iteration over non-sequence

bzr 0.91.0 on python 2.4.4.final.0 (linux2)
arguments: ['/usr/bin/bzr', 'svn-upgrade']

** please send this report to bazaar@lists.ubuntu.com