Fix broken CI #798

	name: Pytest
	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	jobs:
	conda-test:
	name: Conda tests on ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	strategy:
	max-parallel: 5
	matrix:
	os: [ubuntu-20.04, macos-11]
	python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.9
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Add conda to system path
	run: \|
	# $CONDA is an environment variable pointing to the root of the miniconda directory
	echo $CONDA/bin >> $GITHUB_PATH
	- name: Install dependencies
	run: \|
	conda config --set always_yes yes --set changeps1 no
	pip install -U -r requirements.txt -c constraints.txt
	- name: Lint with pylint and pycodestyle
	run: \|
	pip install -U -r requirements-dev.txt -c constraints.txt
	python setup.py build_ext --inplace
	pylint -rn mthree
	pycodestyle --max-line-length=100 mthree
	- name: Run tests with pytest
	run: \|
	conda install pytest
	python setup.py install
	pytest -p no:warnings --pyargs mthree/test
	- name: Build docs
	run: \|
	conda install pandoc
	cd docs
	make html

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