ci: migrate github actions to python 3.9 #66

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

	name: Lint

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

	jobs:
	flake8:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.9]

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Run flake8
	uses: TrueBrain/actions-flake8@v2
	with:
	flake8_version: 6.0.1

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