Add missing type annotations #3258

	name: "Python lint and unit/integration tests"

	on: [push, pull_request]

	jobs:
	lint:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version: ['3.8', '3.9', '3.10', '3.11']
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	architecture: x64

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install flake8==6.0.0 flake8-import-order==0.18.2 darglint==1.8.1 codespell mypy types-requests werkzeug

	- name: Lint with flake8
	run: \|
	flake8 --statistics

	- name: Check static typing
	run: \|
	mypy . --explicit-package-bases \|\| true

	- name: Run unit and integration tests
	run: \|
	sudo apt -y install apache2-dev
	python -m pip install -r requirements.txt
	cd unit-tests
	python -m unittest

	- name: Check code for common misspellings
	run: \|
	codespell -q 3 --skip=".css,.r,.xsd,.json,.map,.js" \|\| true

	- name: Check McCabe complexity
	run: \|
	flake8 --max-complexity 10 \|\| true

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