Update README.md #21

	name: flake8-format-test

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	Ubuntu:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.8"]
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8
	- name: Run flake8
	run: \|
	flake8 --exclude=face_alignment,face_pose --ignore=E501 .

	# ref: ChatGPT
	MacOS:
	runs-on: macos-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8
	- name: Run flake8
	run: \|
	flake8 --exclude=face_alignment,face_pose --ignore=E501 .

	Windows:
	runs-on: windows-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8

	- name: Run flake8
	run: flake8 --exclude=face_alignment,face_pose --ignore=E501 .

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