Work toward Python 3.9+ and Nix support, pytz deprecation #240

	# 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: Python package

	on:
	push:
	branches:
	- master
	- feature-**
	- fix-**
	pull_request:
	branches:
	- master

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9, 3.x, pypy3]

	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 --upgrade pip
	pip install wheel
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	pip install flake8 pytest pytz tzlocal pymodbus pylogix
	pip install 'argparse; python_version < "2.7"'
	pip install 'configparser; python_version < "3.0"'
	pip install 'ipaddress; python_version < "3.0"'
	- name: Lint with flake8
	run: \|
	make analyze \|\| true
	- name: Test with pytest
	run: \|
	make test

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