-r optional.txt

build==0.8.0
pip==22.1.2
pre-commit==2.19.0
pytest==7.1.2
pytest-cov==3.0.0
pytest-xdist==2.5.0
setuptools==62.3.3
setuptools-scm==6.4.2
Sphinx==5.0.1
twine==4.0.1
virtualenv==20.14.1
