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

brew install postgresql

If postgresql exist then run:

brew upgrade postgresql
sudo pip install psycopg2

In venv:

env LDFLAGS='-L/usr/local/lib -L/usr/local/opt/openssl/lib -L/usr/local/opt/readline/lib' pip install psycopg2==2.8.4

If you need use only the command pip install psycopg2 export the path in macOSX:

export LDFLAGS="-I/usr/local/opt/openssl/include -L/usr/local/opt/openssl/lib"