Added Apache 2.0 LICENSE #50

	name: Python Black Check

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	black:
	runs-on: ubuntu-latest
	steps:
	- name: Check out source repository
	uses: actions/checkout@v2

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

	- name: Install Poetry
	run: \|
	curl -sSL https://install.python-poetry.org \| python3 -

	- name: Cache Poetry virtualenv
	uses: actions/cache@v2
	with:
	path: ~/.cache/pypoetry/virtualenvs
	key: ${{ runner.os }}-poetry-${{ hashFiles('**/poetry.lock') }}
	restore-keys: \|
	${{ runner.os }}-poetry-

	- name: Install dependencies
	run: \|
	poetry install

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

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