fix gitlab CI file #61

	name: Format

	on:
	workflow_dispatch:
	pull_request:
	push:
	branches:
	- main

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

	jobs:
	format:
	runs-on: ubuntu-latest
	name: Format code

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.11
	cache: 'pip'
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install tox
	- name: Format with Black (through tox)
	run: tox -e format

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