fix linting issues #46

	name: linter

	on: [push, pull_request]

	jobs:
	lint-python:
	runs-on: [ubuntu-latest]
	env:
	PYTHON: 3.8
	steps:
	- uses: actions/checkout@v3
	- name: Setup Python
	id: setup-python
	uses: actions/setup-python@v3
	with:
	python-version: "3.8"
	architecture: x64
	- name: Get pip cache dir
	id: pip-cache
	run: \|
	echo "::set-output name=dir::$(pip cache dir)"
	- name: pip cache
	uses: actions/cache@v2
	with:
	path: \|
	${{ steps.pip-cache.outputs.dir }}
	/opt/hostedtoolcache/Python
	/Users/runner/hostedtoolcache/Python
	key: ${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-pip-${{ hashFiles(format('**/py{0}-ci-requirements.txt', env.PYTHON)) }}
	restore-keys: \|
	${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-pip-
	- name: Upgrade pip version
	run: \|
	pip install --upgrade "pip>=21.3.1,<23.2"
	- name: Install pip-tools
	run: pip install pip-tools
	- name: Install dependencies
	run: \|
	make install-python-ci-dependencies
	- name: Lint python
	run: make lint-python

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