Change balance attribute to is_balanced method #15

	name: Run tests

	on: [push]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.10", "3.11", "3.12"]

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install package
	run: \|
	python -m pip install --upgrade pip
	pip install .

	- name: Test with pytest
	run: \|
	pip install pytest
	pytest

	- name: Test with doctest
	run: \|
	pip install sphinx sphinx-rtd-theme
	cd docs
	make doctest

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