Version bump: 21.0.0 #9

	name: Publish library

	on:
	push:
	tags:
	- '*'

	jobs:

	publish:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.9
	uses: actions/setup-python@v1
	with:
	python-version: 3.9
	- name: Build artifacts
	run: \|
	pip install wheel
	python setup.py sdist bdist_wheel
	- name: Publish a Python distribution to PyPI
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	user: __token__
	password: ${{ secrets.PYPI_API_TOKEN }}

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