Code review comment for lp://qastaging/~ev/ubuntu-ci-services-itself/better-structure-and-logging

i'm getting a deployer issue. not sure the cause yet:

2014-03-07 11:04:45 Branching charm lp:~canonical-ci-engineering/charms/precise/ubuntu-ci-services-itself/rabbitmq-server @ /tmp/better-structure-and-logging/charms/precise/rabbitmq
Traceback (most recent call last):
  File "/tmp/better-structure-and-logging/branches/juju-deployer/deployer/cli.py", line 233, in <module>
    main()
  File "/tmp/better-structure-and-logging/branches/juju-deployer/deployer/cli.py", line 127, in main
    run()
  File "/tmp/better-structure-and-logging/branches/juju-deployer/deployer/cli.py", line 225, in run
    importer.Importer(env, deployment, options).run()
  File "/tmp/better-structure-and-logging/branches/juju-deployer/deployer/action/importer.py", line 182, in run
    self.get_charms()
  File "/tmp/better-structure-and-logging/branches/juju-deployer/deployer/action/importer.py", line 63, in get_charms
    no_local_mods=self.options.no_local_mods)
  File "/tmp/better-structure-and-logging/branches/juju-deployer/deployer/deployment.py", line 127, in fetch_charms
    if charm.is_modified():
  File "/tmp/better-structure-and-logging/branches/juju-deployer/deployer/charm.py", line 152, in is_modified
    return self.vcs.is_modified()
  File "/tmp/better-structure-and-logging/branches/juju-deployer/deployer/vcs.py", line 85, in is_modified
    tree = WorkingTree.open(self.path)
  File "/usr/lib/python2.7/dist-packages/bzrlib/workingtree.py", line 280, in open
    control = controldir.ControlDir.open(path, _unsupported=_unsupported)
  File "/usr/lib/python2.7/dist-packages/bzrlib/controldir.py", line 689, in open
    _unsupported=_unsupported)
  File "/usr/lib/python2.7/dist-packages/bzrlib/controldir.py", line 718, in open_from_transport
    find_format, transport, redirected)
  File "/usr/lib/python2.7/dist-packages/bzrlib/transport/__init__.py", line 1719, in do_catching_redirections
    return action(transport)
  File "/usr/lib/python2.7/dist-packages/bzrlib/controldir.py", line 706, in find_format
    probers=probers)
  File "/usr/lib/python2.7/dist-packages/bzrlib/controldir.py", line 1155, in find_format
    raise errors.NotBranchError(path=transport.base)
bzrlib.errors.NotBranchError: Not a branch: "/tmp/better-structure-and-logging/charms/precise/gunicorn/".