Add types, remove dead code, and beef up lints #24

	name: Check Tests
	on: [ pull_request ]
	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
	- name: Set up Python
	uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # v4
	with:
	python-version: '3.x' # Specify the Python version you want to use
	cache: pip
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest
	- name: Run tests
	run: pytest tests/

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