Docs

Upgrade to v4 artifacts in CRAN github actions #348

	name: Docs
	on: [push, pull_request]

	jobs:
	notebooks:
	name: "Build the docs"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Install dependencies
	run: \|
	sudo apt-get install doxygen
	python -m pip install -U pip
	python -m pip install -r docs/requirements.txt

	- name: Build the docs
	run: \|
	python -m pip install -U setuptools
	python -m pip install -U pillow mock alabaster commonmark recommonmark sphinx sphinx-rtd-theme readthedocs-sphinx-ext
	cd docs
	python -m sphinx -T -E -b html -d _build/doctrees -D language=en . _build/html

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