Changed package. /usr/lib/python3/dist-packages/apt/progress/text.py is provided by python3-apt
** Package changed: ubuntu-release-upgrader (Ubuntu) => python-apt (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to python-apt in Ubuntu. https://bugs.launchpad.net/bugs/1612301 Title: can't upgrade from 14.04 to 16.04 LTS Status in python-apt package in Ubuntu: New Bug description: I'm trying to do a do-release-upgrade from a 14.04 system to a 16.04 system, and it tells me can't, because I'd be using on-standard package sources. but I'm not. thus I wonder what's wrong ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.8 ProcVersionSignature: Ubuntu 3.13.0-93.140-generic 3.13.11-ckt39 Uname: Linux 3.13.0-93-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 CrashDB: ubuntu Date: Thu Aug 11 17:19:50 2016 InstallationDate: Installed on 2011-11-09 (1736 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to trusty on 2016-08-11 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/1612301/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp