Bump actions/checkout from 3 to 4 (#381) #767

	name: Lint

	on:
	push:
	branches:
	- main
	pull_request: {}

	jobs:
	lint:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.9
	uses: actions/setup-python@v4
	with:
	python-version: 3.9
	- name: Install project dependencies
	run: \|
	pip install tensorflow-cpu==2.11.*
	pip install -e .[test]
	- name: Run Flake8
	run: flake8
	- name: Black code style
	run: black --check --target-version py39 .
	- name: Docstring formatting
	run: docformatter -c -r . --wrap-summaries 88 --wrap-descriptions 88
	- name: Check import order with isort
	run: isort . --check --diff
	- name: Type check with PyType
	run: pytype --jobs 2

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