Fix single_proc + add support for single_proc for multi-runs & sweeps #4

	# This workflow will install Python dependencies and run tests with multiple versions of Python

	name: cadCAD CI

	on:
	push:
	branches: [ "master" ]
	pull_request:
	branches: [ "master" ]

	permissions:
	contents: read

	jobs:
	build:
	continue-on-error: true

	strategy:
	matrix:
	python-version: ["3.9", "3.10", "3.11", "3.12"]
	os: [ubuntu-latest, macos-latest]

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

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'pip'

	- name: Display Python version
	run: python -c "import sys; print(sys.version)"

	- name: Install test and build dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install jupyter
	pip install -r requirements.txt

	- name: Build cadCAD
	run: \|
	python setup.py bdist_wheel
	python -m pip install dist/*.whl --force-reinstall

	- name: Run tests
	run: \|
	python testing/tests/multi_model_row_count.py
	python testing/tests/param_sweep.py
	python testing/tests/policy_aggregation.py
	python testing/tests/timestep1psub0.py
	python testing/tests/runs_not_zero.py
	python testing/tests/run1psub0.py
	python testing/tests/append_mod_test.py
	python testing/tests/cadCAD_exp.py

	- name: Run Jupyter test
	run: \|
	python testing/tests/import_cadCAD_test.py

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