release v1.4 #72

	name: Unittests

	on: [push, pull_request]

	jobs:
	linux-build:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	python-version: ["3.9"]
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install
	run: \|
	sudo add-apt-repository ppa:ubuntu-toolchain-r/test
	sudo apt-get update
	sudo apt install gcc-10 g++-10 gfortran-10
	sudo update-alternatives \
	--install /usr/bin/gcc gcc /usr/bin/gcc-10 100 \
	--slave /usr/bin/gfortran gfortran /usr/bin/gfortran-10 \
	--slave /usr/bin/gcov gcov /usr/bin/gcov-10
	sudo apt-get install -y libopenblas-dev
	pip install .
	pip install pytest
	- name: Test
	run: \|
	export PYSCF_EXT_PATH=$(pwd):$PYSCF_EXT_PATH
	pytest -s pyscf/dispersion

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