Thanks for this additional information.
If this is still happening, could you please run:
$ sudo pycentral -v pkginstall update-manager
$ sudo pycentral -v pkginstall update-manager-core
and attach the output to this bugreport?
Thanks,
Michael
** Changed in: update-manager (Ubuntu)
Status: Fix Committed => Needs Info
--
[apport] update-manager crashed with ImportError in <module>()
https://launchpad.net/bugs/81991
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs