remove matrix testing #4

	# This workflow will install Python dependencies, lint and run tests 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: linting

	on: [push]

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	lfs: true
	- name: "Setup Python, Poetry and Dependencies"
	uses: packetcoders/action-setup-cache-python-poetry@main
	with:
	python-version: 3.8
	poetry-version: 1.2.2
	- name: pycodestyle
	run:
	poetry run pycodestyle sed tests
	- name: pylint
	run:
	poetry run pylint sed tests
	- name: mypy
	run:
	poetry run mypy sed tests

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