remove readfp (Python 3.12 removes it), use read_file instead #5794

	name: tutorial tests

	on: [push, pull_request]

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	max-parallel: 60
	matrix:
	os: [ubuntu-20.04]
	python-version: ['3.10', '3.11', '3.12']
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: installing packages
	run: \|
	sudo apt-get -o Acquire::Retries=3 update
	sudo apt-get -o Acquire::Retries=3 install fftw3 mpi intel-mkl*
	pip install tox pip setuptools notebook --upgrade
	pip install .
	- name: retrieving pycbc tutorials
	run: \|
	git clone https://github.com/gwastro/PyCBC-Tutorials
	- name: running pycbc tutorials
	run: \|
	cd PyCBC-Tutorials
	./test_notebooks

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