Adopt code from py2neo to remove the use of the `id` function in cyph… #697

	name: "Formatting - black"
	on:
	pull_request:
	branches:
	- main
	push:
	branches:
	- main

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

	defaults:
	run:
	shell: bash -l {0}

	jobs:
	black:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: "Install steps"
	run: \|
	python -m pip install black

	- name: "Run the black check"
	run: black --check --diff alchemiscale

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