typo corrected. #13

	name: Tests

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

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	operating-system: [ubuntu-latest, windows-latest, macos-latest]
	# for Python 3.10, ref https://github.com/actions/setup-python/issues/160#issuecomment-724485470
	python-version: [3.8, 3.9, '3.10', '3.11']
	fail-fast: false

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

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Restore Ubuntu cache
	uses: actions/cache@v1
	if: matrix.operating-system == 'ubuntu-latest'
	with:
	path: ~/.cache/pip
	key: ${{ matrix.os }}-${{ matrix.python-version }}-${{ hashFiles('**/setup.py')}}
	restore-keys: ${{ matrix.os }}-${{ matrix.python-version }}-

	- name: Restore MacOS cache
	uses: actions/cache@v1
	if: matrix.operating-system == 'macos-latest'
	with:
	path: ~/Library/Caches/pip
	key: ${{ matrix.os }}-${{ matrix.python-version }}-${{ hashFiles('**/setup.py')}}
	restore-keys: ${{ matrix.os }}-${{ matrix.python-version }}-

	- name: Restore Windows cache
	uses: actions/cache@v1
	if: matrix.operating-system == 'windows-latest'
	with:
	path: ~\AppData\Local\pip\Cache
	key: ${{ matrix.os }}-${{ matrix.python-version }}-${{ hashFiles('**/setup.py')}}
	restore-keys: ${{ matrix.os }}-${{ matrix.python-version }}-

	- name: Update pip
	run: \|
	python -m pip install --upgrade pip
	pip install black==21.7b0 click==8.0.4 flake8==3.9.2 isort==5.9.2

	- name: Lint with flake8 and black
	run: \|
	python -m scripts.run_code_style check

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