I was able to work around this based on the following comment by upgrading the OS package that installs the Python cffi package with `$ sudo easy_install -U cffi`:
https://bugs.launchpad.net/devstack/+bug/1484870/comments/2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1512792 Title: Pip crashes with cryptography/cffi/openssl error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-pip/+bug/1512792/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
