Comment 2 for bug 259893

% bzr info
Repository tree (format: unnamed)
Location:
  shared repository: /home/barry/projects/launchpad
  repository branch: .

Related branches:
  public branch: bzr+ssh://devpad.canonical.com/code/barry/launchpad/bug-237210
    push branch: bzr+ssh://devpad.canonical.com/code/barry/launchpad/bug-237210
  parent branch: /home/barry/projects/launchpad/rocketfuel
  submit branch: sftp://devpad.canonical.com/code/rocketfuel/launchpad/devel

If i blow away the push branch, the traceback doesn't happen