ENH: fix raising exceptions with confusing tracebacks (#122) #193

	name: Lint and Auto Format

	on:
	push:
	branches: [main]

	jobs:
	lint:
	runs-on: ubuntu-latest

	permissions:
	contents: write # to push changes
	pull-requests: write # to create PRs

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.12'

	- name: Install Black
	run: pip install black

	- name: Run Black (format code)
	run: black --verbose ./src

	- name: Check for changes
	id: check_diff
	run: \|
	if git diff --quiet; then
	echo "no_changes=true" >> $GITHUB_OUTPUT
	else
	echo "no_changes=false" >> $GITHUB_OUTPUT
	fi

	- name: Commit and push changes
	if: steps.check_diff.outputs.no_changes == 'false'
	run: \|
	git config user.name "github-actions[bot]"
	git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
	git checkout -b black-fixes-${{ github.run_id }}
	git add .
	git commit -m "style: auto-format with black"
	git push origin HEAD

	- name: Create Pull Request
	if: steps.check_diff.outputs.no_changes == 'false'
	uses: peter-evans/create-pull-request@v7
	with:
	# target branch: will be updated with newer commits for each action run
	# always the same one, since we know it will only be called by pushes to main
	branch: black-format-main
	# base branch: where the PR points to be merged
	# defaults to checked-out branch (black-fixes-${{ github.run_id }})
	base: main
	title: "style: auto-format with black"
	body: "This PR was created automatically by the lint job to apply Black formatting."

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