v4.0.0 release #40

	name: Python package

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	- rc-**

	jobs:
	build:

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

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements/requirements-test.txt
	- name: Run black to review standard code format
	run: \|
	# Checks if need to reformat files
	black --check --diff .
	- name: Run flake8 to check specific rules not covered by black
	run: \|
	flake8 . --statistics

Provide feedback