$ pip --version

$ sudo easy_install pip

$ pip install --user pyzmq

$ sudo pip install pyzmq

FindExternalEvaluators["Python"]

> pip.exe --version

> easy_install.exe pip

> pip.exe install pyzmq

FindExternalEvaluators["Python"]

$ python --version

$ sudo apt-get update && sudo apt-get install -y python python-pip

$ sudo yum install -y python python-pip

$ pip install --user pyzmq

$ sudo apt-get install python-zmq

$ sudo yum install python-zmq

FindExternalEvaluators["Python"]

RegisterExternalEvaluator["Python","/usr/local/bin/python3"]