Fixed bug by chaning cell(1,3) to cell (1,2) which resolves #9 #77

	name: continuous-integration

	on: [push, pull_request]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.8", "3.11"]

	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Cache python dependencies
	id: cache-pip
	uses: actions/cache@v1
	with:
	path: ~/.cache/pip
	key: pip-${{ matrix.python-version }}-build-${{ hashFiles('**/setup.json') }}
	restore-keys:
	pip-${{ matrix.python-version }}-build

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	if [ -f requirements.txt ]; then pip install -r requirements.txt --no-build-isolation; fi;
	pip install wheel --no-build-isolation;
	pip install .[pre-commit,tests] --no-build-isolation;
	cd tests; python test_dynamics.py; python test_trajectory.py
	- name: Run pre-commit & linter
	run: \|
	# pre-commit run --all-files \|\| ( git status --short ; git diff ; exit 1 )
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics --exclude ./samos/io/xsf.py
	# # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	# flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --exclude ./samos/io/xsf.py

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