Port instruct to newer Python versions #1

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: Check style

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	arch:
	- 'x64'
	python_version:
	- '3.x'
	os:
	- 'ubuntu-latest'
	runs-on: ${{ matrix.os }}
	steps:
	-
	uses: actions/checkout@v4
	-
	name: Set up Python ${{ matrix.python_version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python_version }}
	architecture: ${{ matrix.arch }}
	-
	name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install black==19.3b0 click==8.0.1
	python -m pip install .[devel, tests]
	-
	name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	python -m flake8 instruct/ --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	python -m flake8 instruct/ --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	-
	name: Check style
	run: \|
	python -m black --check

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