remove runtime dependency on mpi4py #87

	name: Build and test Patch

	on: [push]

	jobs:
	build:
	name: build py${{ matrix.py }}, NEURON ${{ matrix.nrn }}
	runs-on: ubuntu-latest
	strategy:
	matrix:
	py: ["3.9","3.10"]
	nrn: ["8.1.0", "8.2.2"]
	include:
	- nrn: "8.0.0"
	py: "3.9"
	- nrn: "8.2.2"
	py: "3.11"
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.py }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.py }}
	- name: Install apt dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install openmpi-bin libopenmpi-dev
	- name: Cache pip
	uses: actions/cache@v3
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	${{ runner.os }}-
	- name: Install dependencies & self
	run: \|
	python -m pip install --upgrade pip
	pip install -e . --no-deps
	pip install -r requirements.txt --prefer-binary
	pip install -e .
	pip install NEURON==${{ matrix.nrn }}
	- name: Run tests & coverage
	run: \|
	cd tests
	coverage run --parallel-mode -m unittest discover -v -s ./separate
	coverage run --parallel-mode -m unittest discover -v -s .
	mpiexec -n 2 coverage run --parallel-mode -m unittest discover -v -s .
	bash <(curl -s https://codecov.io/bash)

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