only using c++ evaluation backend for sym regressor when c++ is avail… #296

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: Build

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository and submodules
	uses: actions/checkout@v2
	with:
	submodules: recursive

	- name: Set up Python 3.9
	uses: actions/setup-python@v2
	with:
	python-version: 3.9

	- name: Install MPI
	run: \|
	sudo apt-get update
	sudo apt-get install -y mpich libmpich-dev

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest pytest-cov pytest-mock
	pip install coveralls
	pip install -r requirements.txt

	- name: Set pythonpath
	run: \|
	echo "PYTHONPATH=`pwd`" >> $GITHUB_ENV

	- name: Build bingocpp
	run: \|
	./.build_bingocpp.sh

	- name: Test with pytest
	run: \|
	tests/.run_tests.sh

	- name: Coveralls
	uses: AndreMiras/coveralls-python-action@develop

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