*** This bug is a duplicate of bug 1592817 *** https://bugs.launchpad.net/bugs/1592817
I faced this issue as well. it was solved with python3-distupgrade 16.04.19 and reapeared with python3-distupgrade 16.04.20 temporary solution "that works for me" is to force installation of python3-distupgrade 16.04.19 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1593869 Title: do-release-upgrade crashed with ValueError in update_interface(): could not convert string to float: '0,0000' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1593869/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs