Update README.md #689

	# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: Python package

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.8', '3.10']

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install "pip<21.3"
	pip install .
	- name: Lint with flake8
	run: \|
	pip install flake8
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	- name: Test PISA example pipelines
	run: \|
	pip install pytest
	PISA_FTYPE=fp32 PISA_TARGET=cpu MPLBACKEND=agg ./pisa_tests/test_example_pipelines.py -v
	- name: Test PISA imports and unit tests, double precision
	run: \|
	pip install pytest
	PISA_FTYPE=fp64 PISA_TARGET=cpu MPLBACKEND=agg ./pisa_tests/run_unit_tests.py -v
	- name: Test PISA imports and unit tests, single precision
	run: \|
	pip install pytest
	PISA_FTYPE=fp32 PISA_TARGET=cpu MPLBACKEND=agg ./pisa_tests/run_unit_tests.py -v

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