Update equation #121

	name: Publish Python distributions to PyPI

	on: push

	jobs:
	build-n-publish:
	name: Build and publish Python distributions to PyPI
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@master
	with:
	fetch-depth: 0
	- name: Set up Python 3.7
	uses: actions/setup-python@v1
	with:
	python-version: 3.7
	- name: Install pypa/build
	run: >-
	python -m
	pip install
	build
	--user
	- name: Build a source tarball
	run: >-
	python -m
	build
	--sdist
	--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