commit adding a file fails

[Wouter van Heyst]

fellow1%~/src/spiet/pompom3> bzr ci -m 'Add a patched pyglet.zip for victims of fglrx.' ati-pyglet.zip
bzr-svn is not up to date with installed bzr version 0.15.0dev0.
There should be a newer version of bzr-svn available.
Bzrtools is not up to date with installed bzr version 0.15.0dev0.
There should be a newer version available, e.g. 0.15.
added ati-pyglet.zip
bzr: ERROR: exceptions.AttributeError: 'NoneType' object has no attribute 'get_weave_or_empty'

Traceback (most recent call last):
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/commands.py", line 650, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/commands.py", line 612, in run_bzr
    ret = run(*run_argv)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/commands.py", line 304, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/builtins.py", line 1919, in run
    reporter=reporter)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/decorators.py", line 51, in write_locked
    return unbound(self, *args, **kwargs)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/mutabletree.py", line 126, in commit
    revprops=revprops, *args, **kwargs)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/commit.py", line 320, in commit
    revision_id=self.rev_id)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/repository.py", line 276, in fetch
    pb=pb)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/decorators.py", line 51, in write_locked
    return unbound(self, *args, **kwargs)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/repository.py", line 1929, in fetch
    pb=pb)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/fetch.py", line 110, in __init__
    self.__fetch()
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/fetch.py", line 137, in __fetch
    self._fetch_weave_texts(revs)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/fetch.py", line 175, in _fetch_weave_texts
    to_weave = self.to_weaves.get_weave_or_empty(file_id,
AttributeError: 'NoneType' object has no attribute 'get_weave_or_empty'

bzr 0.15.0dev0 on python 2.4.4.final.0 (linux2)
arguments: ['/home/larstiq/bin/bzr', 'ci', '-m', 'Add a patched pyglet.zip for victims of fglrx.', 'ati-pyglet.zip']