Removed support for Python 3.7. #140

	name:

	on:
	push:
	branches: [master, develop]
	pull_request:
	branches: [master]

	jobs:
	build_install_test:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	python-version: [3.8, 3.9]
	os: [ubuntu-latest]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	sudo apt update && sudo apt install graphviz
	python -m pip install --upgrade pip
	pip install virtualenv
	pip install build==0.4.0
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Build package
	run: \|
	python -m build
	- name: Install package (editable mode)
	run: \|
	pip install -e .
	- name: Test with pytest
	run: \|
	pytest

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