Nodes with None value as elements #30

	name: Build

	on: [pull_request]

	jobs:
	build_python:
	name: Build on ${{ matrix.os }}

	strategy:
	matrix:
	os: [ubuntu-latest]
	python-version: ["3.8", "3.9", "3.10", "3.11"]

	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install -r requirements.txt
	python -m pip install -r tests/test_requirements.txt
	python -m pip install .
	- name: Lint with ruff
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	ruff --format=github --select=E9,F63,F7,F82 --target-version=py37 .
	# default set of ruff rules with GitHub Annotations
	ruff --format=github --target-version=py37 .
	- name: Test with pytest
	run: \|
	pytest

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