adjusted version ranges #3

	on:
	push:
	branches: [ main ]

	jobs:

	build_docs_job:
	runs-on: ubuntu-latest
	env:
	GITHUB_PAT: ${{ secrets.GITHUB.TOKEN }}

	steps:
	- name: Checkout project.
	uses: actions/[email protected]

	- name: Set up Python.
	uses: actions/[email protected]
	with:
	python-version: '3.9'

	- name: Install documentation dependencies.
	run: \|
	python -m pip install "docutils<0.18 "
	python -m pip install "numpy==1.21"
	python -m pip install "scipy==1.9.1"
	python -m pip install "sphinx==2.2.1"
	python -m pip install "sphinxcontrib-bibtex==2.5.0"
	python -m pip install "sphinx-rtd-theme==1.2.0"
	python -m pip install "numpydoc==1.5.0"
	sudo apt-get install -y graphviz

	- name: Make docs.
	run: \|
	cd docs
	make html

	- name: Init new repo in dist folder and commit generated files.
	run: \|
	cd ./docs/build/html
	git init
	touch .nojekyll
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Action"
	git add -A
	git commit -m 'built html docs'

	- name: Force push to destination branch.
	uses: ad-m/github-push-action@master
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	branch: gh-pages
	force: true
	directory: ./docs/build/html

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