Add ruler to display column numbers #1022

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

	name: Python application

	on:
	push:
	pull_request:
	workflow_dispatch:

	permissions:
	contents: read

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.11
	uses: actions/setup-python@v3
	with:
	python-version: "3.11"
	- name: Install dependencies
	run: \|
	curl -sSL https://install.python-poetry.org \| python3 -
	poetry install
	- name: Lint with flake8
	run: \|
	poetry run flake8 ./src
	- name: Lint with pylint
	run: \|
	poetry run pylint --recursive y .
	- name: Check format with black
	run: \|
	poetry run black --check --verbose ./src
	- name: Check documentation with sphinx
	run: \|
	poetry run sphinx-build -W -b html docs docs/build
	- name: Report undocumented code with sphinx
	run: \|
	poetry run python -m sphinx -M coverage docs docs/build -W
	- name: Static type check with mypy
	run: \|
	poetry run mypy --disallow-untyped-defs -p guiguts
	poetry run mypy --disallow-untyped-defs tests
	- name: Test with pytest
	run: \|
	poetry run pytest

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