replace scipy interp1d with alternatives #156

	name: POSYDON Continuous Integration

	on:
	pull_request:
	branches: [main, development]

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

	strategy:
	matrix:
	os: [macos-13, macos-latest, ubuntu-latest]
	python-version: ['3.11'] # can add more if we want to support

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

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

	- name: Install POSYDON without extras
	run: \|
	python -m pip install --upgrade pip
	pip install .

	- name: Run all tests in posydon/unit_tests
	run: \|
	python -m pip install --upgrade pip
	pip install .
	pip install pytest
	pip install pytest-cov
	export PATH_TO_POSYDON=./
	export PATH_TO_POSYDON_DATA=./
	export MESA_DIR=./
	python -m pytest posydon/unit_tests/ --cov=posydon.utils --cov-branch --cov-report term-missing --cov-fail-under=100

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