[pre-commit.ci] pre-commit autoupdate #359

	name: Lint

	on: [push, pull_request]

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2-beta
	- uses: actions/setup-python@v2
	with:
	python-version: "3.8"

	- name: Install Poetry
	uses: snok/install-poetry@v1.1.0
	with:
	virtualenvs-create: true
	virtualenvs-in-project: true

	- name: Load cached venv
	id: cached-poetry-dependencies
	uses: actions/cache@v2
	with:
	path: .venv
	key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}

	- name: Install dependencies
	run: poetry install
	if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'

	- name: Activate venv
	run: \|
	echo "VIRTUAL_ENV=$GITHUB_WORKSPACE/.venv" >> $GITHUB_ENV
	echo "PYTHONPATH=$GITHUB_WORKSPACE" >> $GITHUB_ENV
	echo "$GITHUB_WORKSPACE/.venv/bin" >> $GITHUB_PATH

	- name: Flynt f-string Formatter
	run: >
	flynt .
	--line-length=79
	--transform-concats
	--fail-on-change

	- name: Black Code Formatter
	uses: psf/black@stable

	- name: Run flake8
	uses: suo/flake8-github-action@releases/v1
	with:
	checkName: "lint" # NOTE: this needs to be the same as the job name
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: isort Import Sorter
	uses: isort/isort-action@v0.1.0

	- name: pylint Error Checker
	run: pylint --fail-under 9 -f colorized project_name

	- name: mypy Static Type Checker
	run: mypy .

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