Add `# flake8: noqa` directive to all failing files #696

	name: test Python cleanliness

	on: [push, pull_request, workflow_dispatch]

	concurrency:
	group: ci-${{github.workflow}}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ubuntu-22.04

	steps:
	# git checkout the PR
	- uses: actions/checkout@v4
	with:
	submodules: 'recursive'

	# Run flake8 but exclude third-party libraries
	- run: pipx run flake8 --exclude=MAVProxy/modules/lib
	# Once this has been running for a while, we can:
	# - delete the lines below
	# - delete scripts/run_flake8.py
	# - remove all instances of AP_FLAKE8_CLEAN (git grep AP_FLAKE8_CLEAN)

	- name: Install dependencies
	run: python -m pip install --upgrade flake8

	- name: Check Python with Flake8
	run: scripts/run_flake8.py MAVProxy

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