Clarify workaround to possible stdlib bug #567

	name: CI

	on:
	push:
	pull_request:

	jobs:
	build:
	runs-on: ubuntu-20.04

	env:
	GITHUB_ACTIONS: 'yes'
	PGPASSWORD: 'csvbase'

	services:
	postgres:
	image: postgres:13
	env:
	POSTGRES_USER: csvbase
	POSTGRES_PASSWORD: csvbase
	POSTGRES_DB: csvbase
	ports:
	- 5432:5432
	options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5

	steps:
	- uses: actions/checkout@v4
	- name: Write config file
	run: \|
	cat <<EOF > ~/.csvbase.toml
	secret_key = "snakeoil"
	db_url = "postgresql+psycopg2://csvbase:csvbase@localhost/csvbase"
	stripe_api_key = "sample"
	stripe_price_id = "price_123"
	turnstile_site_key = "1x00000000000000000000AA"
	turnstile_secret_key = "1x0000000000000000000000000000000A"
	smtp_host = "localhost:2525"
	EOF
	- name: Set up Python 3.9
	uses: actions/setup-python@v5
	with:
	python-version: 3.9
	- name: Install required ubuntu packages
	run: sudo apt-get update && sudo apt-get install -y libsystemd-dev postgresql-client
	- name: Create schemas
	run: psql -h localhost -d csvbase -U csvbase -f init-schemas.sql
	- name: Use cache of pip downloads
	uses: actions/cache@v4
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	- name: Install tox
	run: pip install tox
	- name: make static-deps
	run: make static-deps
	- name: Use cache of tox
	uses: actions/cache@v4
	with:
	path: .tox
	key: ${{ runner.os }}-tox
	restore-keys: \|
	${{ runner.os }}-pip-
	- name: Make
	run: make

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