Getting a StopIteration exception using Bazaar 1.2

[Szilveszter Farkas]

With Bazaar 1.2 and bzr-difftools trunk, I get the following traceback:

szilveszter@szilveszter-desktop:~/temp/testbzr$ bzr diff --using meld
bzr: ERROR: exceptions.StopIteration:

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 834, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 790, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 492, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/home/szilveszter/.bazaar/plugins/difftools/__init__.py", line 78, in run
    return Controller().run(*args, **kwargs)
  File "/home/szilveszter/.bazaar/plugins/difftools/controller.py", line 61, in run
    result = compare_using(tool, file_list)
  File "/home/szilveszter/.bazaar/plugins/difftools/controller.py", line 185, in compare_using
    old_tmp_dir.write_stuff(old_tree, file_ids1, use_tree)
  File "/home/szilveszter/.bazaar/plugins/difftools/tempdir.py", line 40, in write_stuff
    self.write_tree(rev_tree, file_id_list)
  File "/home/szilveszter/.bazaar/plugins/difftools/tempdir.py", line 51, in write_tree
    export.export(rev_tree, self.path, format='dir')
  File "/usr/lib/python2.5/site-packages/bzrlib/export/__init__.py", line 97, in export
    return _exporters[format](tree, dest, root)
  File "/usr/lib/python2.5/site-packages/bzrlib/export/__init__.py", line 61, in _loader
    return func(tree, dest, root)
  File "/usr/lib/python2.5/site-packages/bzrlib/export/dir_exporter.py", line 40, in dir_exporter
    entries.next() # skip root
StopIteration

bzr 1.2.0.candidate.1 on python 2.5.2.final.0 (linux2)
arguments: ['/usr/bin/bzr', 'diff', '--using', 'meld']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'hu_HU.UTF-8'
plugins:
  difftools /home/szilveszter/.bazaar/plugins/difftools [0.91.0]
  gtk /usr/lib/python2.5/site-packages/bzrlib/plugins/gtk [0.93.0]
  launchpad /usr/lib/python2.5/site-packages/bzrlib/plugins/launchpad [unknown]
*** 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.