Same here:

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 842, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 1037, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 654, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.5/site-packages/bzrlib/builtins.py", line 1243, in run
    source_branch=br_from)
  File "/usr/lib/python2.5/site-packages/bzrlib/bzrdir.py", line 1183, in sprout
    result_repo.fetch(source_repository, revision_id=revision_id)
  File "/usr/lib/python2.5/site-packages/bzrlib/repository.py", line 1695, in fetch
    find_ghosts=find_ghosts, fetch_spec=fetch_spec)
  File "/usr/lib/python2.5/site-packages/bzrlib/decorators.py", line 192, in write_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/repository.py", line 3413, in fetch
    pb=pb, find_ghosts=find_ghosts)
  File "/usr/lib/python2.5/site-packages/bzrlib/fetch.py", line 81, in __init__
    self.__fetch()
  File "/usr/lib/python2.5/site-packages/bzrlib/fetch.py", line 107, in __fetch
    self._fetch_everything_for_search(search)
  File "/usr/lib/python2.5/site-packages/bzrlib/fetch.py", line 148, in _fetch_everything_for_search
    missing_keys,))
AssertionError: second push failed to complete a fetch set([('texts', '64bit.m4-20090614010449-cn3n492v3lgx3k5m-1', '<email address hidden>'), ('texts', 'pandora_canonical.m4-20090703184306-arh3f06b44z1rzhy-3', '<email address hidden>'), ('texts', 'pandora_platform.m4-20090726211404-wlzq1f8jwxrgn0u4-1', '<email address hidden>'), ('texts', 'changelog-20090327194452-mh732hbogx91c4q1-1', '<email address hidden>'), ('texts', 'drizzle_field.c-20081111211028-6fvm63287dma43co-59', '<email address hidden>'), ('texts', 'drizzle_column_st.c-20090311051952-ryuzr4cmw7pdgbhl-1', '<email address hidden>'), ('texts', 'pandora_warnings.m4-20090703184306-arh3f06b44z1rzhy-7', '<email address hidden>'), ('inventories', '<email address hidden>'), ('texts', 'pandora_canonical.m4-20090703184306-arh3f06b44z1rzhy-3', '<email address hidden>'), ('texts', 'drizzle_con_st.c-20090311051952-ryuzr4cmw7pdgbhl-2', '<email address hidden>'), ('texts', 'configure.ac-20081111211028-6fvm63287dma43co-16', '<email address hidden>'), ('inventories', '<email address hidden>'), ('inventories', '<email address hidden>'), ('texts', 'authors-20081111211028-6fvm63287dma43co-2', '<email address hidden>')]).

bzr 2.0.0 on python 2.5.4 (Linux-2.6.26-2-amd64-x86_64-with-debian-squeeze-sid)
arguments: ['/usr/bin/bzr', 'branch', 'lp:~eday/libdrizzle/eday-dev']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'
plugins:
  builddeb             /usr/lib/python2.5/site-packages/bzrlib/plugins/builddeb [0.95.0dev]
  bzrtools             /usr/lib/python2.5/site-packages/bzrlib/plugins/bzrtools [2.0.0]
  launchpad            /usr/lib/python2.5/site-packages/bzrlib/plugins/launchpad [2.0.0]
  netrc_credential_store /usr/lib/python2.5/site-packages/bzrlib/plugins/netrc_credential_store [2.0.0]