Was it system-wide change (and reboot is done)? It may be needed if python-apt gets something from outside (e.g. by dbus). I have no idea, I used update-manager to start the upgrade process and my env: torkve@yaroot-46:/tmp [2016-10-14 02:01:18] 0 ➜ locale LANG=ru_RU.UTF-8 LANGUAGE=ru:en LC_CTYPE="ru_RU.UTF-8" LC_NUMERIC=ru_RU.UTF-8 LC_TIME=ru_RU.UTF-8 LC_COLLATE="ru_RU.UTF-8" LC_MONETARY=ru_RU.UTF-8 LC_MESSAGES="ru_RU.UTF-8" LC_PAPER=ru_RU.UTF-8 LC_NAME=ru_RU.UTF-8 LC_ADDRESS=ru_RU.UTF-8 LC_TELEPHONE=ru_RU.UTF-8 LC_MEASUREMENT=ru_RU.UTF-8 LC_IDENTIFICATION=ru_RU.UTF-8 LC_ALL=
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1633219 Title: Upgrade to yakkety fails due to non-us locale To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/1633219/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs