remove Python 2 support #5

	---
	name: CI
	on:
	- push
	- pull_request
	jobs:
	test:
	name: Run unit tests
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python: [2.7, 3.5, 3.6]
	steps:
	- name: Checkout source code
	uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: Set up Python ${{ matrix.python }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python }}
	- name: Install dependencies
	run: python -m pip install tox
	- name: Run unit tests (via tox)
	# Run tox using the version of Python in `PATH`
	run: tox -e py

Provide feedback