Bump Flake8, Black, MyPy #228

	name: Continuous Integration
	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	jobs:
	test:
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]
	# Add windows-latest once the rlimit problem is fixed
	# (T608-018).
	runs-on: ${{ matrix.os }}
	steps:
	- name: Get e3-testsuite
	uses: actions/checkout@v2
	with:
	path: e3-testsuite

	# Clone e3-core just near e3-testsuite so that our Mypy
	# configuration helps Mypy to find type hints for e3-core.
	- name: Get e3-core
	uses: actions/checkout@v2
	with:
	repository: AdaCore/e3-core
	path: e3-core

	- uses: actions/setup-python@v2
	with:
	python-version: '3.8'
	- name: Setup testing tools
	run: \|
	pip install --upgrade pip
	pip install tox
	pip install pyyaml
	cd e3-testsuite
	python3 .github/workflows/install-mypy-deps.py

	- name: Type check with Mypy
	run: \|
	cd e3-testsuite
	mypy

	# Run the testsuite and style checks
	- name: Run the testsuite & style checks
	run: \|
	cd e3-testsuite
	tox -e py-ci-cov-codecov,checkstyle,security

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