build(deps): bump actions/checkout from 1 to 4 #37

	name: Python application

	on: [push]

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.8
	uses: actions/setup-python@v1
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip poetry
	poetry install
	- name: Test typing with mypy
	run: \|
	poetry run mypy .

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