Fix guide github action #507

	name: Docs

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- uses: actions/cache@v1
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	- name: Set up Python 3.8
	uses: actions/setup-python@v1
	with:
	python-version: 3.9
	- name: Install package
	run: \|
	pip install -e .
	- name: Install requirements.txt
	run: \|
	pip install -r requirements.txt
	- name: Install docs/requirements.txt
	run: \|
	python -m pip install --upgrade pip setuptools
	pip install -r docs/requirements.txt
	- name: sphinx
	run: \|
	cd docs && make html

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