Dependency cleanup #983

	# Test the SchurComplement interface

	name: schur-complement

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.8, 3.9]
	steps:
	- uses: actions/checkout@v1
	- name: setup conda
	uses: s-weigand/setup-conda@v1
	with:
	update-conda: true
	python-version: ${{ matrix.python-version }}
	conda-channels: anaconda, conda-forge
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install nose pybind11
	conda install openmpi pymumps --no-update-deps
	pip install mpi4py pandas
	pip install git+https://github.com/pyutilib/pyutilib.git
	git clone https://github.com/pyomo/pyomo.git
	cd pyomo/
	pip install -e .
	pyomo download-extensions
	pyomo build-extensions
	cd ../
	pip install git+https://github.com/parapint/parapint.git
	pip install -e .
	- name: Test with nose
	run: \|
	nosetests -v mpisppy/tests/test_sc.py
	mpirun -np 3 -oversubscribe nosetests mpisppy/tests/test_sc.py

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