Probably because "We have found no versions for any architectures on this mirror. This is normal if we have not yet successfully verified the mirror."
-- 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/1583544 Title: an official mirror doesn't show in mirrors list in Update Center, Ubuntu 16.04 Status in Launchpad itself: New Status in python-apt package in Ubuntu: Incomplete Bug description: There is an official mirror mirrors.cug.edu.cn and I have seen it listed in https://launchpad.net/ubuntu/+mirror/mirrors.cug.edu.cn-archive, but I can't find it in Update Center in Ubuntu 16.04, Chinese mirrors list. It seems that the package python-apt ships a template file for the list of mirrors, and then it doesnt get updated over time. There is a function called get_ubuntu_lp_mirrors but it doesnt seem to be used. To manage notifications about this bug go to: https://bugs.launchpad.net/launchpad/+bug/1583544/+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