Ellipsoid: canonical default instead of None #207

	name: ci

	on:
	push:
	paths:
	- "**.py"
	- .github/workflows/ci.yml
	- "!scripts/**"

	jobs:

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

	name: ${{ matrix.os }} Python ${{ matrix.python-version }}
	strategy:
	matrix:
	python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
	os: [ubuntu-latest]
	include:
	- os: macos-latest
	python-version: '3.12'
	- os: windows-latest
	python-version: '3.12'

	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- run: pip install .[full,tests,lint]

	- run: flake8

	- run: mypy
	if: ${{ matrix.python-version >= '3.9' }}

	- run: pytest

	coverage:
	runs-on: ubuntu-latest
	name: Python ${{ matrix.python-version }}

	strategy:
	matrix:
	python-version: ["3.12"]

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install tests and lint dependencies
	run: pip install -e .[tests,coverage]

	- name: Collect coverage without NumPy
	run: pytest --cov=src --cov-report=xml

	- name: Install NumPy
	run: pip install -e .[core]

	- name: Collect coverage with NumPy
	run: pytest --cov=src --cov-report=xml --cov-append

	# - name: Install full dependencies
	# run: pip install -e .[full]
	# - name: Test with full dependencies and collect coverage
	# run: pytest --cov=src --cov-report=xml --cov-append

	- name: Upload coverage
	uses: codecov/codecov-action@v3
	with:
	file: ./coverage.xml
	name: Python ${{ matrix.python-version }}

Provide feedback