revert default cluster column to last #35

	name: CI

	on: [push]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.9]
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install .[dev]
	- name: Lint with black
	run: black --check src tests
	- name: Lint with ruff
	run: ruff check src tests
	- name: Unit tests
	run: pytest

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