Cut/v3.1.1 (#70) #52

	name: Tests

	on: [push]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	max-parallel: 4
	matrix:
	python-version: [3.7, 3.8, 3.9, "3.10", 3.11]

	steps:
	- uses: actions/checkout@v1
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install pipenv
	uses: dschep/install-pipenv-action@v1
	- name: Install dependencies
	run: \|
	pipenv install --dev --python `which python`
	- name: Linting and formatting
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	pipenv run flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	pipenv run flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	# check formatting
	pipenv run black --check us
	- name: Test with pytest
	run: \|
	pipenv run pytest

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