guard against missing subfields #21

	name: Tests
	on:
	push
	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.11]
	steps:

	- uses: actions/checkout@v2
	with:
	submodules: recursive

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	pip install poetry
	poetry install

	- name: Check formatting
	run: poetry run black --check .

	- name: Test with pytest
	run: poetry run pytest -v

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