MAINT: update build backend to Hatch #35

	name: tests

	on: [push, pull_request]

	jobs:

	tests:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.7, 3.8, 3.9, "3.10"]

	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: \|
	python -m pip install --upgrade pip
	pip install -e .[tests]

	- name: Run tests
	run: \|
	pytest

	publish:

	name: Publish to PyPi
	needs: [tests]
	if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source
	uses: actions/checkout@v2
	- name: Set up Python 3.7
	uses: actions/setup-python@v2
	with:
	python-version: 3.7
	- name: Build package
	run: \|
	pip install wheel
	python setup.py sdist bdist_wheel
	- name: Publish
	uses: pypa/gh-action-pypi-publish@v1.4.2
	with:
	user: __token__
	password: ${{ secrets.PYPI_API_TOKEN }}

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