Bump mypy from 0.960 to 1.4.0 #327

	name: Check code style
	on: push

	jobs:
	pylint:
	name: Check code style (pylint)
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Setup Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pylint pipenv
	pipenv install --system
	- name: Run pylint
	run: pylint */.py

	mypy:
	name: Check type hints (mypy)
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Setup Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install mypy pipenv
	pipenv install --system
	- name: Run mypy
	run: mypy

	black:
	name: Check code style (black)
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Setup Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install black
	- name: Run black
	run: black --check .

	isort:
	name: Check code style (isort)
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Setup Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install isort
	- name: Run isort
	run: isort */.py -c

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