Code review comment for lp:~widelands-dev/widelands/zoom

Bunnybot encountered an error while working on this merge proposal:

Running 'git fetch bzr_origin' failed. Output:

Traceback (most recent call last):
  File "/usr/local/bin/git-remote-bzr", line 1022, in <module>
    sys.exit(main(sys.argv))
  File "/usr/local/bin/git-remote-bzr", line 994, in main
    repo = get_repo(url, alias)
  File "/usr/local/bin/git-remote-bzr", line 870, in get_repo
    origin = bzrlib.bzrdir.BzrDir.open(url, possible_transports=transports)
  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: "/home/bunnybot/bunnybot/data/bzr_repo/".