wget https://bootstrap.pypa.io/get-pip.py && sudo python get-pip.py
pip install virtualenv
virtualenv -p /Library/Frameworks/Python.framework/Versions/3.5/bin/python3 env
pip install robotframework
Python2
pip install robotframework-selenium2library
Python3
pip install future
pip install -U https://github.com/HelioGuilherme66/robotframework-selenium2library/archive/v1.8.0b1.tar.gz
Selenium comes with Firefox Driver by default but we can use another browser as well by dowload other web driver
Download from https://sites.google.com/a/chromium.org/chromedriver/downloads
Download from http://www.seleniumhq.org/download/
Then copy Web Driver executable file to our project
cp chromedriver /path/to/project/env/bin/.