Update to python 3.8 #84

	name: Validate code

	on:
	- push

	jobs:
	test:
	name: Validate
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set-up python
	uses: actions/setup-python@v5
	with:
	python-version: 3.8

	- name: Create cache
	id: cache
	uses: actions/cache@v4
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-python-${{ hashFiles('requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-python-

	- name: Install python requirements
	run: pip install -r requirements.txt

	- name: Run lint
	run: flake8 unaflow

	- name: Make package
	run: \|
	python setup.py sdist bdist_wheel
	twine check dist/*

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