bark when a rule in Builtin.rules cannot be loaded #1293

	# GitHub Action that uses Black to reformat the Python code in an incoming pull request.
	# If all Python code in the pull request is compliant with Black then this Action does nothing.
	# Othewrwise, Black is run and its changes are committed back to the incoming pull request.
	# https://github.com/cclauss/autoblack

	name: isort and black check
	on: [pull_request]
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.11
	uses: actions/setup-python@v5
	with:
	python-version: 3.11
	- name: Install click, black and isort
	run: pip install 'click==8.0.4' 'black==23.12.1' 'isort==5.13.2'
	- name: Run isort --check .
	run: isort --check .
	- name: Run black --check .
	run: black --check .
	# - name: If needed, commit black changes to the pull request
	# if: failure()
	# run: \|
	# black .
	# git config --global user.name 'autoblack'
	# git config --global user.email '[email protected]'
	# git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
	# git checkout $GITHUB_HEAD_REF
	# git commit -am "fixup: Format Python code with Black"
	# git push

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