500 Internal Server Error if the options page is requested for a non-existent user
https://bugs.launchpad.net/mailman/+bug/1961762
Commits that fix the bug:
- https://bazaar.launchpad.net/~mailman-coders/mailman/2.1/revision/1887
- https://bazaar.launchpad.net/~mailman-coders/mailman/2.1/revision/1888
And there are other commits following these above that seem interesting too:
Edited by Alex Muntada