>From a comment on https://github.com/pypa/pip/issues/844, pip needs distribute >>= 0.6.28. So correct the problem, do :
sudo pip install --no-use-wheel --upgrade distribute -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1375357 Title: After 12.02->14.04 upgrade, any pip upgrade with "wheel" files fails To manage notifications about this bug go to: https://bugs.launchpad.net/virtualenv/+bug/1375357/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs