[FIX] Addons - Do not use cache when no permission to write #372

	name : Run Docs Build

	on: [push, pull_request]

	jobs:
	test:
	runs-on: ${{ matrix.os }}
	timeout-minutes: 5
	env:
	PIP_NO_PIP_VERSION_CHECK: 1
	PIP_CACHE_DIR: .pip-cache
	PIP_PREFER_BINARY: 1

	strategy:
	fail-fast: False
	matrix:
	include:
	- os: ubuntu-20.04
	python: 3.7

	steps:
	- uses: actions/checkout@v3
	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python }}

	- name: Setup Pip Cache
	uses: actions/cache@v3
	with:
	path: .pip-cache
	key: ${{ runner.os }}-py-${{ matrix.python }}-pip-${{ hashFiles('setup.*', '.github/workflows/run-docs-build.yml') }}
	restore-keys: \|
	${{ runner.os }}-py-${{ matrix.python }}-pip

	- name: Install Doc Deps
	run: python -m pip install -r docs/requirements-rtd.txt

	- name: Install
	run: python -m pip install -e .

	- name: List Build Env
	run: pip list --format=freeze

	- name: Build Docs
	run: (cd docs; make SPHINXOPTS="-W --keep-going" html)

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