Can't install psycopg2 package through pip install… Is this because of Sierra?

Question

I am working on a project for one of my lectures and I need to download the package psycopg2 in order to work with the postgresql database in use. Unfortunately, when I try

Answer 1

I fixed it with:

brew reinstall openssl

export LIBRARY_PATH=$LIBRARY_PATH:/usr/local/opt/openssl/lib/