Black

Pin older request version #153

	name: Black

	on: [push, pull_request]

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install 'black==22.8.0'
	- name: Analysing code formatting with Black
	run: \|
	black --check --diff --line-length 140 --target-version py38 vnet_manager

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