bzrlib.errors.NoSuchFile on removal of trunk branch

[Sebastian Bergmann]

I am using revision 13 of svn2bzr.py from lp:svn2bzr to import svn.phpunit.de into Bazaar:

./svn2bzr.py --scheme=trunk --prefix=phpunit --log=debug /home/sb/phpunit.svn

.
.
.

debug: Removing branch: /home/sb/phpunit/trunk/
Committing revision 15
Traceback (most recent call last):
  File "./svn2bzr.py", line 1083, in <module>
    main()
  File "./svn2bzr.py", line 1076, in main
    opts.prefix, opts.filter)
  File "./svn2bzr.py", line 1005, in svn2bzr
    creator.run()
  File "./svn2bzr.py", line 419, in run
    commit()
  File "./svn2bzr.py", line 410, in commit
    timestamp=timestamp)
  File "./svn2bzr.py", line 392, in commit
    revs[brt] = brt.branch.revno()
  File "/usr/lib/python2.5/site-packages/bzrlib/branch.py", line 408, in revno
    return self.last_revision_info()[0]
  File "<string>", line 4, in last_revision_info_read_locked
  File "/usr/lib/python2.5/site-packages/bzrlib/branch.py", line 1814, in last_revision_info
    revision_string = self.control_files.get('last-revision').read()
  File "<string>", line 4, in get_read_locked
  File "/usr/lib/python2.5/site-packages/bzrlib/lockable_files.py", line 155, in get
    return self._transport.get(relpath)
  File "/usr/lib/python2.5/site-packages/bzrlib/transport/local.py", line 148, in get
    self._translate_error(e, path)
  File "/usr/lib/python2.5/site-packages/bzrlib/transport/__init__.py", line 347, in _translate_error
    raise errors.NoSuchFile(path, extra=e)
bzrlib.errors.NoSuchFile: No such file: u'/home/sb/phpunit/branches/1.3/.bzr/branch/last-revision': [Errno 2] No such file or directory: u'/home/sb/phpunit/branches/1.3/.bzr/branch/last-revision'