[MAINT] Use pytest for testing and estimating coverage and refactor #7

	---
	name: black

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- '*'

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	black:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.12'
	allow-prereleases: false
	- name: Install black
	run: python -m pip install --upgrade pip black
	- name: Run Black
	run: black --check --diff --color .

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