I am not able to install any Python libraries. I am using pip 9.0.1 and python 2.7. I am getting the following error:
EN-NishantS:~
A coworker also on macOS v10.12 (Sierra) just solved this by running brew install python@2 and then overwriting the previous version. It seems like the the version off the Python website is not bundling the correct OpenSSL version.
I think someone has also filed a bug for this to Python directly: OS X system OpenSSL deprecated - installer should build local libssl