build #438

	name: build
	on:
	push:
	branches:
	- main
	pull_request:
	schedule:
	- cron: '0 0 * * *'
	jobs:
	checks:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Check README is updated
	run: ./gen_readme.py \| diff README.md -
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.9
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install requests pyyaml
	- name: Check links
	# try 3 times or fail
	run: ./check_links.py \|\| ./check_links.py \|\| ./check_links.py

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