- install python3
brew install python3
brew install homebrew/dupes/tcl-tk
brew uninstall python3
# brew install python3 --with-brewed-tk
brew install python3 --with-tcl-tk
brew linkapps python3
brew uninstall freetype
pip3 install freetype
pip3 install git+git://github.com/matplotlib/matplotlib.git- install opencv3
brew install opencv3 --without-openexr --with-python3 --c++11 --with-contrib
brew install opencv3 --with-python3 --with-contrib
brew link --force opencv3
brew linkapps
brew doctor
brew config