fix pip install . issue #148

	name: Integration filter

	on: [pull_request]
	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9"]

	steps:
	- uses: actions/checkout@v3
	- uses: mpi4py/setup-mpi@v1
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install numpy --user
	python -m pip install --upgrade pip setuptools wheel --user
	if [ -f requirements.txt ]; then pip install -r requirements.txt --user; fi
	- name: install
	run: \|
	pip install -e .
	- name: test
	run: \|
	python -m unittest tests.test_integration_filter.FS
	python -m unittest tests.test_integration_filter.MS

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