You seem to be missing the eoan-updates repository in your current sources.list configuration.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1864100 Title: Packaging: unable to install python3.7-dev To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python3.7/+bug/1864100/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs