Address mypy type checking errors #209

	name: QA
	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]
	jobs:
	python-versions:
	runs-on: ubuntu-latest
	outputs:
	versions: ${{ steps.python-versions.outputs.versions }}
	steps:
	- uses: actions/checkout@v4
	- name: Get Python versions
	id: python-versions
	run: \|
	CLASSIFIERS="$(yq -p toml -o toml '.project.classifiers[]' pyproject.toml \| grep "Programming Language :: Python :: " \| grep "\.")"
	VERSIONS="$(echo "${CLASSIFIERS}" \| sed -e 's/Programming Language :: Python :: $[0-9.]*$$/"\1"/g' \| tr '\n' ',' \| sed -e 's/,$//g')"
	echo "versions=[${VERSIONS}]" > "${GITHUB_OUTPUT}"

	qa:
	name: Run QA checks
	runs-on: ubuntu-latest
	needs: python-versions
	strategy:
	matrix:
	python-version: ${{fromJson(needs.python-versions.outputs.versions)}}
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Set up Node.js LTS
	uses: actions/setup-node@v4
	with:
	node-version: "lts/*"
	- name: Install the world
	run: \|
	python -m pip install --upgrade pip setuptools wheel
	pip install -e .[dev]
	- name: Run linting
	run: \|
	flake8 ./pyee ./tests
	validate-pyproject ./pyproject.toml
	- name: Run pyright
	run: npx pyright@latest
	- name: Run mypy
	run: mypy .
	- name: Run tests
	run: pytest ./tests

	actionlint:
	name: Run actionlint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Run actionlint
	uses: raven-actions/actionlint@v2

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