It appears the ppa is no longer "just working" because the mainline bionic Ubuntu version of python3-pip has incremented. That is to say, even after adding the ppa and doing apt update, apt-get install pulls the buggy one from the mainline repo.
I was able to get the right version by using: apt install python3-pip=9.0.1-2.3~ubuntu1.18.04.2~ubuntu18.04.1~ppa202002141134 python-pip-whl=9.0.1-2.3~ubuntu1.18.04.2~ubuntu18.04.1~ppa202002141134 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1833229 Title: `--extra-index-url` not working for PIP To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-pip/+bug/1833229/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
