Fixed upstream, but needs backport to Trusty - all other releases are already including the fix.
The diff this is about is: @@ -71,7 +73,7 @@ if hits: msgdata['topichits'] = hits.keys() change_header('X-Topics', NLTAB.join(hits.keys()), - mlist, msg, msgdata, Delete=False) + mlist, msg, msgdata, delete=False) ** Also affects: mailman (Ubuntu) Importance: Undecided Status: New ** Also affects: mailman (Ubuntu Trusty) Importance: Undecided Status: New ** Changed in: mailman (Ubuntu) Status: New => Fix Released ** Changed in: mailman (Ubuntu Trusty) Status: New => Triaged ** Changed in: mailman (Ubuntu Trusty) Importance: Undecided => Medium ** Changed in: mailman (Ubuntu Trusty) Importance: Medium => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1251495 Title: Lists with topics enabled can throw unexpected keyword argument 'Delete' exception. To manage notifications about this bug go to: https://bugs.launchpad.net/mailman/+bug/1251495/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs