Do not enable default Matplotlib backend when checking what the backend is #70

	name: Tests

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

	defaults:
	run:
	shell: bash -l {0}

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

	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	python-version: ["3.9", "3.10", "3.11", "3.12"]

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Setup Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install package with test dependencies
	run: pip install .[test]

	- name: Test installation
	run: pytest -v

	- name: Test flake8
	run: flake8 matplotlib_inline --ignore=E501,W504,W503

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