Replace Python 3.6, 3.7 with 3.9, 3.10 #62

	name: Test

	on: [push, pull_request]

	jobs:
	build:

	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macOS-latest, windows-latest]
	python-version: [3.8, 3.9, 3.10]

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Prepare Ubuntu
	run: \|
	sudo apt-get update
	sudo apt-get install --no-install-recommends -y pandoc ffmpeg
	if: matrix.os == 'ubuntu-latest'
	- name: Prepare OSX
	run: brew install pandoc ffmpeg
	if: matrix.os == 'macOS-latest'
	- name: prepare Windows
	run: choco install pandoc ffmpeg
	if: matrix.os == 'windows-latest'
	- name: Install dependencies
	run: \|
	python -V
	python -m pip install --upgrade pip
	python -m pip install .
	python -m pip install -r tests/requirements.txt
	python -m pip install -r doc/requirements.txt
	# This is needed in example scripts:
	python -m pip install pillow
	- name: Test
	run: python -m pytest
	- name: Test examples
	run: python doc/examples/run_all.py
	- name: Test documentation
	run: python -m sphinx doc/ _build/ -b doctest

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