With latest pip this issue solved. On the other hand you have to patch makepip3.py file (which creates /usr/bin/pip3 )
** Patch added: "patch for after updating pip via pip with sudo" https://bugs.launchpad.net/ubuntu/+source/python-pip/+bug/1579181/+attachment/5188469/+files/makepip.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1579181 Title: "pip3 list --outdated" raises TypeError To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-pip/+bug/1579181/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs