updated read the docs yaml #40

	name: CI

	# We can specify which Github events will trigger a CI build
	on: push

	# now define a single job 'build' (but could define more)
	jobs:

	build:

	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ ubuntu-latest, macos-latest, windows-latest ]
	python-version: [ 3.7, 3.8 ]
	fail-fast: false
	# a job is a seq of steps
	steps:

	# Next we need to checkout out repository, and set up Python
	# A 'name' is just an optional label shown in the log - helpful to clarify progress - and can be anything
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install Python dependencies
	run: \|
	python3 -m pip install --upgrade pip
	pip install -r requirements-test.txt
	pip install pytest
	pip3 install -e .

	- name: Install xvfb (for Linux)
	if: runner.os == 'Linux'
	run: \|
	sudo apt-get update
	sudo apt-get install -y xvfb

	- name: Run tests (for Linux)
	if: runner.os == 'Linux'
	run: xvfb-run pytest

	- name: Run tests (for macOS and Windows)
	if: runner.os != 'Linux'
	run: pytest

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