Fix optional array arguments in class constructors #772

	name: Run Tests
	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	unit-tests:
	name: Run Tests
	runs-on: ubuntu-latest
	strategy:
	matrix:
	# Select the Python versions to test against
	os: ["ubuntu-latest", "macos-latest"]
	python-version: ["3.10", "3.11"]
	fail-fast: true
	steps:
	- name: Check out the code
	uses: actions/checkout@v3.5.2
	with:
	fetch-depth: 1
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	# Install Hatch
	- name: Install Hatch
	uses: pypa/hatch@install

	# Install the dependencies
	- name: Check docstrings
	run: \|
	hatch run dev:docstrings

	# Run the unit tests and build the coverage report
	- name: Run Tests
	run: hatch run dev:coverage

	- name: Upload code coverage
	uses: codecov/codecov-action@v3
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	file: ./coverage.xml
	name: gpjax
	flags: unittests
	env_vars: OS,PYTHON

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