Primary field target: get primary_field_name directly instead of iter… #3882

	name: Flake 8
	on: [push,pull_request]
	jobs:
	build:
	if: github.event_name != 'pull_request' \|\| github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: [3.11]

	steps:
	# git checkout
	- uses: actions/checkout@v4

	# python setup
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: pip

	# install flake8
	- name: install flake8
	run: pip install -c constraints.txt flake8

	# run black
	- name: run flake8
	run: flake8 src/ setup.py

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