Bzr traceback when branching/pushing

straussd@dev /var/www/vhosts $ bzr branch staging.dev.stratfor.com/ straussd.dev.stratfor.com/
bzr: ERROR: exceptions.AssertionError: get_next() called when there are no chars left

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 857, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 797, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 499, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.5/site-packages/bzrlib/builtins.py", line 879, in run
    hardlink=hardlink, stacked=stacked)
  File "/usr/lib/python2.5/site-packages/bzrlib/bzrdir.py", line 1143, in sprout
    hardlink=hardlink)
  File "/usr/lib/python2.5/site-packages/bzrlib/bzrdir.py", line 1453, in create_workingtree
    accelerator_tree=accelerator_tree, hardlink=hardlink)
  File "/usr/lib/python2.5/site-packages/bzrlib/workingtree_4.py", line 1389, in initialize
    hardlink=hardlink, delta_from_tree=True)
  File "/usr/lib/python2.5/site-packages/bzrlib/transform.py", line 1873, in build_tree
    delta_from_tree)
  File "/usr/lib/python2.5/site-packages/bzrlib/transform.py", line 1965, in _build_tree
    accelerator_tree, hardlink)
  File "/usr/lib/python2.5/site-packages/bzrlib/transform.py", line 1997, in _create_files
    in iter if not (c or e[0] != e[1]))
  File "/usr/lib/python2.5/site-packages/bzrlib/transform.py", line 1996, in <genexpr>
    unchanged = dict((f, p[1]) for (f, p, c, v, d, n, k, e)
  File "/usr/lib/python2.5/site-packages/bzrlib/tree.py", line 837, in iter_changes
    to_entries_by_dir = list(self.target.inventory.iter_entries_by_dir(
  File "/usr/lib/python2.5/site-packages/bzrlib/workingtree_4.py", line 426, in _get_inventory
    self._generate_inventory()
  File "/usr/lib/python2.5/site-packages/bzrlib/workingtree_4.py", line 313, in _generate_inventory
    state._read_dirblocks_if_needed()
  File "/usr/lib/python2.5/site-packages/bzrlib/dirstate.py", line 1981, in _read_dirblocks_if_needed
    _read_dirblocks(self)
  File "_dirstate_helpers_c.pyx", line 720, in _dirstate_helpers_c._read_dirblocks_c
  File "_dirstate_helpers_c.pyx", line 686, in _dirstate_helpers_c.Reader._parse_dirblocks
  File "_dirstate_helpers_c.pyx", line 607, in _dirstate_helpers_c.Reader._get_entry
  File "_dirstate_helpers_c.pyx", line 525, in _dirstate_helpers_c.Reader.get_next_str
  File "_dirstate_helpers_c.pyx", line 507, in _dirstate_helpers_c.Reader.get_next
AssertionError: get_next() called when there are no chars left

bzr 1.7 on python 2.5.2 (linux2)
arguments: ['/usr/bin/bzr', 'branch', 'staging.dev.stratfor.com/', 'straussd.dev.stratfor.com/']
encoding: 'ANSI_X3.4-1968', fsenc: 'ANSI_X3.4-1968', lang: None
plugins:
  bzrtools /usr/lib/python2.5/site-packages/bzrlib/plugins/bzrtools [1.7.0]
  email /usr/lib/python2.5/site-packages/bzrlib/plugins/email [unknown]
  launchpad /usr/lib/python2.5/site-packages/bzrlib/plugins/launchpad [unknown]
  search /usr/lib/python2.5/site-packages/bzrlib/plugins/search [1.7.0dev0]
*** 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.