Switch to pytest (nose is unmaintained and does not work on Python3.10) #4

	name: Lint
	on: [push, pull_request]

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	with:
	fetch-depth: 1

	- name: Setup python
	uses: actions/setup-python@v2
	with:
	python-version: 3.7

	- name: Install tox and any other packages for test
	run: \|
	python -m pip install --upgrade pip
	pip install tox

	- name: Run tox
	run: tox -e flake8

Provide feedback