Fix minor mistake in Preprocessor #668

	# 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:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	permissions:
	contents: read

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: '3.11'
	cache: 'pip' # caching pip dependencies
	- name: Install dependencies
	run: \|
	pip install .[test]
	- name: Lint with flake8
	run: \|
	# Check syntax errors
	flake8 yucca --count --select=E9,F63,F7,F82,U100,E711,E712,E713,E714,E721,F401,F402,F405,F811,F821,F822,F823,F831,F841,F901, --show-source --statistics

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