Run black on code #243

	name: Build, Lint, and Test


	on:
	push:
	branches:
	- '*'
	pull_request:
	branches: [ master ]

	jobs:
	build:
	name: Build, Lint, and Test
	runs-on: ${{matrix.os}}
	strategy:
	matrix:
	os:
	- ubuntu-latest
	- windows-latest
	- macos-latest
	python-version: [3.7, 3.8, 3.9]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8 mypy pytest
	pip install -r requirements.txt
	- name: Install bluetooth ctl linux
	if: runner.os == 'Linux'
	run: \|
	if [ "$RUNNER_OS" == "Linux" ] ; then
	# Circumvent bleak's check for bluetoothctl version
	# It's not needed for non-hardware tests
	pwd >> $GITHUB_PATH
	printf "#include <stdio.h>\nint main(void)\n{\n\tprintf(\"bluetoothctl: 5.55\\\n\");\n\treturn 0;\n}\n" \| gcc -x c -o ./bluetoothctl -
	./bluetoothctl
	fi
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --show-source --statistics --max-line-length 88
	# exit-zero treats all errors as warnings.
	flake8 . --count --exit-zero --statistic --max-line-length 88
	- name: Check mypy
	# Hold off on windows. Mypy is not being consistant there
	if: runner.os != 'Windows'
	run: \|
	mypy bless
	- name: Test with pytest
	run: \|
	python -m pytest

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