v30.12.1 #20

	name: Release library as a PyPI wheel and sdist on tag

	on:
	release:
	types: [created]

	jobs:
	build-and-publish-to-pypi:
	name: Build and publish library to PyPI
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@master
	- name: Set up Python
	uses: actions/setup-python@v1
	with:
	python-version: 3.9
	- name: Install pypa/build
	run: python -m pip install build --user
	- name: Build a binary wheel and a source tarball
	run: python -m build --sdist --wheel --outdir dist/
	.
	- name: Publish distribution to PyPI
	if: startsWith(github.ref, 'refs/tags')
	uses: pypa/gh-action-pypi-publish@master
	with:
	password: ${{ secrets.PYPI_API_TOKEN }}

Provide feedback