Add missing package to requirements.txt #66

	name: Flake8 and pytest

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]
	workflow_dispatch:

	jobs:
	verify:
	name: Code verification
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	language: [ "python" ]
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.12
	uses: actions/setup-python@v3
	with:
	python-version: "3.12"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install flake8 pytest
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings
	# use 100 characters as max line length
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=100 --statistics
	- name: Test with pytest
	run: \|
	pytest

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