-r optional.txt

build==0.10.0
pip==22.3.1
pre-commit==2.21.0
pytest==7.2.1
pytest-cov==4.0.0
pytest-xdist==3.1.0
setuptools==66.0.0
setuptools-scm==7.1.0
Sphinx==5.3.0; python_version < '3.8'
Sphinx==6.1.3; python_version >= '3.8'
twine==4.0.2
virtualenv==20.17.1
