A workaround is to use sftp:// rather than bzr+ssh://. If that's not possible, you can install lp:~spiv/+junk/bzr_ssh_v2_hack as a bzr plugin (i.e. 'bzr branch lp:~spiv/+junk/bzr_ssh_v2_hack ~/.bazaar/plugins/bzr_ssh_v2_hack).
A workaround is to use sftp:// rather than bzr+ssh://. If that's not possible, you can install lp:~spiv/+junk/bzr_ssh_v2_hack as a bzr plugin (i.e. 'bzr branch lp:~spiv/+junk/bzr_ssh_v2_hack ~/.bazaar/ plugins/ bzr_ssh_ v2_hack) .