Lint

update the yml #2

	name: Lint

	on: [push, pull_request]

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- 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 black isort flake8 mypy

	- name: Run Black
	run: black . --check

	- name: Run isort
	run: isort . --check-only --diff

	- name: Run flake8
	run: flake8 .

	- name: Run mypy
	run: mypy .

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