fixed extension_convert for multiple extensions #286

	name: build

	on: ["push", "pull_request"]

	jobs:

	test_development:
	# Testing in development environment: functionality and code-format
	runs-on: ubuntu-latest
	defaults:
	run:
	shell: bash -l {0}

	steps:
	- name: Check out repository code
	uses: actions/checkout@v3

	- uses: mamba-org/setup-micromamba@v1
	env:
	ACTIONS_STEP_DEBUG: true
	with:
	micromamba-version: '1.3.1-0'
	environment-file: environment.yml
	init-shell: >-
	bash
	powershell
	cache-environment: true
	cache-downloads: true
	post-cleanup: 'all'


	- name: List environment
	run: \|
	micromamba info
	micromamba list

	- name: Run tests
	run: \|
	isort --project pymrio --profile black --check-only .
	coverage run --source=pymrio -m pytest --black -vv

	- name: Coveralls upload
	uses: coverallsapp/github-action@v2


	test_production:
	# Testing if the package runs on different systems/python versions
	needs: test_development
	runs-on: ${{ matrix.os }}
	defaults:
	run:
	# removed -l as this breaks in mac-os
	shell: bash {0}
	strategy:
	fail-fast: false
	matrix:
	os: ["ubuntu-latest", "macos-latest", "windows-latest"]
	python-version: [3.8, 3.9, "3.10", "3.11"]

	steps:
	- name: Check out repository code
	uses: actions/checkout@v2

	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: ${{matrix.python-version}}

	- name: Run tests
	run: \|
	pip install . -U
	pip install pytest
	python setup.py sdist
	pytest -vv

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