-r optional.txt

build==0.9.0
pip==22.3.1
pre-commit==2.20.0
pytest==7.2.0
pytest-cov==4.0.0
pytest-xdist==3.1.0
setuptools==65.6.3
setuptools-scm==7.0.5
Sphinx==5.3.0
twine==4.0.2
virtualenv==20.17.1
