Merge pull request #181 from oemof/fix/numpy #445

	# 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: CI

	on:
	push:
	branches:
	- main
	- dev
	- release/*

	pull_request:
	branches:
	- dev

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	build:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9", "3.10"]

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v2

	- name: Install cbc
	run: sudo apt install coinor-cbc

	# Set up python envs
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies via pip
	run: \|
	python -m pip install --upgrade pip
	python -m pip install .[aggregation] # install extra requirement to pass all tests
	python -m pip install pytest coverage docutils check-manifest flake8 readme-renderer pygments isort black

	- name: Test with pytest
	run: \|
	coverage run -m pytest tests

	- name: Lint
	run: \|
	python setup.py check --strict --metadata --restructuredtext
	check-manifest .
	black --check .
	flake8 src tests
	isort --verbose --check-only --diff src tests

Provide feedback