Port to wx python 4.2.1 and Python3 #21

	# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

	name: Python package

	on: [push, pull_request]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.x"]

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'pip'
	cache-dependency-path: '**/setup.py'
	- name: Install gtk3
	run: \|
	sudo apt install libgtk-3-dev
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip setuptools wheel
	python -m pip install .[test,dist]
	- name: Test with pytest
	run: \|
	pytest -v

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