Bump dependabot/fetch-metadata from 1.6.0 to 2.1.0 #315

	name: Code formatting

	on:
	push:
	branches: [ master ]
	pull_request:

	jobs:
	black:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.9
	uses: actions/setup-python@v5.1.0
	with:
	python-version: 3.9

	- name: Install black
	run: \|
	# black==21.7b0
	export BLACK_VERSION=$(grep black setup.py \| egrep -o '==[0-9a-z.]+' \| sed 's/=//g')

	set -x
	pip install black==${BLACK_VERSION}

	- name: Check code formatting
	run: \|
	black --check .

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