Comment 4 for bug 1689675

looks like version of requests is different in kilo

root@5a10s31:~# dpkg --list | grep requests
ii python-requests 2.2.1-1ubuntu0.3 all elegant and simple HTTP library for Python, built for human beings
ii python-requests-whl 2.4.3-6~cloud0 all elegant and simple HTTP library for Python, built for human beings

Versus on mitaka
root@a1s33:/opt/contrail/utils# dpkg --list | grep requests
ii python-requests 2.9.1-3~cloud0 all elegant and simple HTTP library for Python2, built for human beings
ii python-requests-whl 2.9.1-1ubuntu1~cloud0 all elegant and simple HTTP library for Python, built for human beings
ii python-requestsexceptions 1.1.2-0ubuntu1~cloud0 all import exceptions from bundled packages in requests. - Python 2.7