Comment 19 for bug 963525

Is the same problem with this import:

https://code.launchpad.net/~gnome-shell-extensions/gnome-shell-extensions/appindicator-support-head

[..]
  File "/srv/importd.launchpad.net/production/launchpad-rev-17045/bzrplugins/git/mapping.py", line 334, in import_commit
    raise UnknownCommitExtra(commit, [item[0] for item in commit.extra])
bzrlib.plugins.git.errors.UnknownCommitExtra: Unknown extra fields in <Commit 801f49df01d3b7d5ff58aeef43a8c9561f1a4b23>: ['gpgsig'].