Add more type annotations #119

	name: lint

	on:
	# run on every push to main
	push:
	branches:
	- main
	# run on every push (not commit) to a PR, plus open/reopen
	pull_request:
	types:
	- synchronize
	- opened
	- reopened

	jobs:
	mypy:
	name: mypy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: "3.11"

	- name: Install system dependencies
	run: sudo apt install libgeos-dev

	- name: Install Python dependencies
	run: pip install -e .

	- run: pip install mypy

	- name: Install type stubs
	run: pip install types-requests

	- name: mypy
	run: mypy --strict .

	various:
	name: various (Black, pylint, pydocstyle)
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: "3.11"

	- name: Install linting tools
	run: pip install black pylint pydocstyle

	- name: Install dependencies (required for pylint)
	run: \|
	python -m pip install --upgrade pip
	python -m pip install .

	# annotate each step with `if: always` to run all regardless
	- name: Assert that code matches Black code style
	if: always()
	uses: psf/black@stable
	- name: Lint with pylint
	if: always()
	run: pylint $(find -type f -name *.py)
	- name: Lint with pydocstyle
	if: always()
	run: pydocstyle --convention=numpy .

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