:pre-build-script: Shell script to run before tox. Useful for setting up
dependencies. (default: a string with a shell comment)
:python-version: Python version to invoke pip install of tox-pyenv
:pre-build-script: Shell script to run before tox. Useful for setting up
dependencies. (default: a string with a shell comment)
:python-version: Python version to invoke pip install of tox-pyenv