Fix some issues flagged by ruff #591

	name: codecoverage
	on:
	pull_request:
	branches: [main]
	push:
	branches: [main]

	jobs:
	coverage:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest]
	env:
	OS: ${{ matrix.os }}
	PYTHON: '3.11'

	steps:
	- uses: actions/checkout@main

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.11

	- name: Install pyscal and test dependencies
	run: \|
	pip install pip -U
	pip install .[tests]
	pip install opm # (extra package for more tests)

	- name: Generate coverage report
	run: \|
	pytest --hypothesis-profile ci tests --disable-warnings --cov=pyscal --cov-report=xml --junitxml=junit.xml -o junit_family=legacy

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v4
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

	- name: Upload test report to Codecov
	if: ${{ !cancelled() }}
	uses: codecov/test-results-action@v1
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

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