chore: gen grid.svg #27

	name: CI

	on: [push, pull_request]

	jobs:
	lint_and_test:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 4
	matrix:
	python-version: [3.6, 3.7, 3.8]
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	# from pdm
	- name: Set Variables
	id: set_variables
	run: \|
	echo "::set-output name=PY::$(python -c 'import hashlib, sys;print(hashlib.sha256(sys.version.encode()+sys.executable.encode()).hexdigest())')"
	echo "::set-output name=PIP_CACHE::$(pip cache dir)"
	- name: Cache PIP
	uses: actions/cache@v2
	with:
	path: ${{ steps.set_variables.outputs.PIP_CACHE }}
	key: ${{ runner.os }}-pip-${{ steps.set_variables.outputs.PY }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements-dev.txt
	- name: Check formatting (black)
	run: black . --check
	- name: Run isort
	run: isort --profile black //*.py -c -v

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