Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 911, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 1111, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 689, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 704, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/cleanup.py", line 135, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/cleanup.py", line 165, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/builtins.py", line 3854, in run
    location, revision, remember, possible_transports, None)
  File "/usr/lib/python2.6/dist-packages/bzrlib/builtins.py", line 3985, in _get_merger_from_branch
    other_revision_id, base_revision_id, other_branch, base_branch)
  File "/usr/lib/python2.6/dist-packages/bzrlib/merge.py", line 410, in from_revision_ids
    merger.set_other_revision(other, other_branch)
  File "/usr/lib/python2.6/dist-packages/bzrlib/merge.py", line 551, in set_other_revision
    self._maybe_fetch(other_branch, self.this_branch, self.other_rev_id)
  File "/usr/lib/python2.6/dist-packages/bzrlib/merge.py", line 568, in _maybe_fetch
    target.fetch(source, revision_id)
  File "/usr/lib/python2.6/dist-packages/bzrlib/decorators.py", line 194, in write_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/branch.py", line 673, in fetch
    pb=pb)
  File "/usr/lib/python2.6/dist-packages/bzrlib/repository.py", line 1741, in fetch
    find_ghosts=find_ghosts, fetch_spec=fetch_spec)
  File "/usr/lib/python2.6/dist-packages/bzrlib/decorators.py", line 194, in write_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/repository.py", line 3449, in fetch
    find_ghosts=find_ghosts)
  File "/usr/lib/python2.6/dist-packages/bzrlib/fetch.py", line 73, in __init__
    self.__fetch()
  File "/usr/lib/python2.6/dist-packages/bzrlib/fetch.py", line 99, in __fetch
    self._fetch_everything_for_search(search)
  File "/usr/lib/python2.6/dist-packages/bzrlib/fetch.py", line 127, in _fetch_everything_for_search
    stream, from_format, [])
  File "/usr/lib/python2.6/dist-packages/bzrlib/repository.py", line 4288, in insert_stream
    is_resume)
  File "/usr/lib/python2.6/dist-packages/bzrlib/repository.py", line 4321, in _locked_insert_stream
    self.target_repo.texts.insert_record_stream(substream)
  File "/usr/lib/python2.6/dist-packages/bzrlib/groupcompress.py", line 1598, in insert_record_stream
    for _ in self._insert_record_stream(stream, random_id=False):
  File "/usr/lib/python2.6/dist-packages/bzrlib/groupcompress.py", line 1653, in _insert_record_stream
    for record in stream:
  File "/usr/lib/python2.6/dist-packages/bzrlib/smart/repository.py", line 595, in wrap_and_count
    for record in substream.read():
  File "/usr/lib/python2.6/dist-packages/bzrlib/versionedfile.py", line 1664, in read
    for bytes in self._bytes_iterator:
  File "/usr/lib/python2.6/dist-packages/bzrlib/smart/repository.py", line 573, in iter_substream_bytes
    for record in self.iter_pack_records:
  File "/usr/lib/python2.6/dist-packages/bzrlib/smart/repository.py", line 563, in iter_stream_decoder
    for bytes in self.byte_stream:
  File "/usr/lib/python2.6/dist-packages/bzrlib/smart/message.py", line 338, in read_streamed_hostnamey
    _translate_error(self._hostnamey_error_args)
  File "/usr/lib/python2.6/dist-packages/bzrlib/smart/message.py", line 361, in _translate_error
    raise errors.ErrorFromSmartServer(error_tuple)
ErrorFromSmartServer: Error received from smart server: ('error', "'Inter1and2Helper' object has no attribute 'source_repo'")