only save added index #668

	name: Code Formatter

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	format:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	pull-requests: write

	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.head_ref \|\| github.ref_name }}

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.x"

	- name: Install Black
	run: pip install "black[jupyter]"

	- name: Run Black
	run: black . --exclude=".*\.ipynb$"

	- name: Commit changes
	if: github.event_name == 'pull_request'
	run: \|
	git config --local user.email "github-actions[bot]@users.noreply.github.com"
	git config --local user.name "github-actions[bot]"
	git commit -am "chore(format): run black" \|\| echo "No changes to commit"
	git push

	- name: Create Pull Request
	if: github.event_name == 'push'
	uses: peter-evans/create-pull-request@v5
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	commit-message: "chore(format): run black"
	title: "chore(format): run black"
	body: \|
	This is an auto-generated PR with formatting changes from Black.
	branch: format-${{ github.sha }}
	delete-branch: true

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