πΊπ The Python Homebrew Tapβ’ This repo contains the following Formula: python-2.5 python-2.6 python-2.7 python-3.3 python-3.4 python-3.5 python-3.6 It is a work in progress. Installation $ brew tap kennethreitz/pythons $ brew install python-2.5 P.S. Don't do this yet!