[typing] Support union type in annotation #1312

	name: doc

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master
	jobs:
	build:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version: ["3.10"]
	cpp-version: [g++-8, clang-6.0]
	steps:
	- uses: actions/checkout@v2
	- name: Setup Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install scipy
	pip install pytest-xdist
	sudo apt install libopenblas-dev ${{ matrix.cpp-version }}
	- name: Setup
	run: \|
	python -m pip install .
	python -m pip install . 'pythran[test]'
	printf '[commpiler]\nblas=openblas\n' > ~/.pythranrc
	- name: Testing documentation
	run: \|
	export CC=`echo ${{ matrix.cpp-version }} \| sed -e 's/g++/gcc/'`
	export CXX=`echo ${{ matrix.cpp-version }} \| sed -e 's/clang/clang++/'`
	pytest pythran/tests/notebooks docs/examples --nbval

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