Merge pull request #235 from classy-python/remove-duplicate-descendants #186

	name: Python tests

	on: [push]

	jobs:
	build:
	runs-on: ubuntu-latest

	services:
	postgres:
	image: postgres:13.4
	env:
	POSTGRES_DB: ccbv
	POSTGRES_USER: classy
	POSTGRES_PASSWORD: classy
	ports:
	- 5432:5432
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5

	steps:
	- name: Clone code
	uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.10"
	cache: "pip"
	cache-dependency-path: requirements.txt

	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt

	- name: Run pre-commit
	run: \|
	pre-commit run --all-files --show-diff-on-failure

	- name: Run Python tests
	env:
	DATABASE_URL: postgres://classy:classy@localhost/ccbv
	run: \|
	make test

	- name: Check mypy ratchet for changes
	run: \|
	make mypy

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