fix version issues in docs build. #1991

	name: docs

	on:
	pull_request:
	branches:
	- main
	push:
	branches:
	- main

	jobs:
	test-ubuntu:
	name: "docs on ${{ matrix.python-version }} on ${{ matrix.os }}"
	runs-on: "${{ matrix.os }}"
	strategy:
	matrix:
	python-version: [3.11]
	os: [ubuntu-latest]
	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: \|
	sudo apt install -y pandoc
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	pip install -r requirements-jax.txt
	pip install -r requirements-test.txt
	pip install -r docs/requirements.txt
	pip install .
	- name: Print installed dependencies
	run: \|
	pip freeze
	- name: Test coverage
	run: \|
	cd docs
	make coverage_check
	- name: Test doctests
	run: \|
	cd docs
	make doctest
	- name: Test docs to HTML
	run: \|
	cd docs
	make html

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