Update pylint requirement from <3.0,>=2.9.6 to >=2.9.6,<4.0 #82

	# 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: CI

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	# run tests in Python3.9 on multiple OSes
	build_multi_os:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [macos-latest, windows-latest, ubuntu-latest]
	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: Install dependencies
	run: \|
	python -m pip install -r requirements.txt
	python -m pip install -r requirements_dev.txt
	- name: Run pytest
	run: \|
	pytest
	codecov

	# run tests in linux on multiple versions of Python
	build_multi_py_versions:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest]
	python-version: [3.7, 3.8, 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: Install dependencies
	run: \|
	python -m pip install -r requirements.txt
	python -m pip install -r requirements_dev.txt
	- name: Run pytest
	run: \|
	pytest
	codecov

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