fix: `FileBone.postSaveHandler` iterates over `None` #3263

	name: PEP8 linter

	on:
	push:
	branches:
	- '**'
	pull_request:
	branches:
	- '**'

	jobs:
	linter:
	strategy:
	matrix:
	python: [ "3.12" ]
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v3
	with:
	fetch-depth: "0"

	- name: Set up Python ${{ matrix.python }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python }}

	- name: Install dependencies
	run: \|
	python -m pip install -U pycodestyle

	- name: run pep8check @pull_request
	if: ${{ github.event_name == 'pull_request' }}
	run: \|
	git diff -U0 origin/${GITHUB_BASE_REF}..${GITHUB_SHA} \| pycodestyle --diff --format='::error file=%(path)s,line=%(row)d,col=%(col)d::%(code)s: %(text)s'

	- name: run pep8check @push
	if: ${{ github.event_name == 'push' }}
	run: \|
	git show -U0 ${GITHUB_SHA} \| pycodestyle --diff --format='::error file=%(path)s,line=%(row)d,col=%(col)d::%(code)s: %(text)s'

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