fix minor issues #231

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: Testing

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

	jobs:
	build:
	runs-on: ${{ matrix.os }}

	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]
	python-version: ["3.8", "3.9", "3.10", "3.11"]

	steps:
	- uses: actions/checkout@v3
	- name: Python ${{ matrix.python-version }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install torch --index-url https://download.pytorch.org/whl/cpu
	pip install torch_geometric
	pip install torch_scatter torch_sparse torch_cluster torch_spline_conv -f https://data.pyg.org/whl/torch-2.1.0+cpu.html
	pip install pytest
	pip install coverage
	pip install coveralls

	- name: Test with pytest
	run: \|
	coverage run --source=pygod -m pytest
	- name: coverage report
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	coveralls --service=github

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