pyenv
Install python via pyenv with bzip2 support:
xcode-select --install
brew install bzip2
export LDFLAGS="-L/usr/local/opt/bzip2/lib -L/usr/local/opt/zlib/lib"
export CPPFLAGS="-I/usr/local/opt/bzip2/include -I/usr/local/opt/zlib/include"
pyenv install -f 3.8.6