remove support for python2 in the tests #335

	name: CI

	on: [ pull_request ]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python: [ 3.7, 3.8, 3.9, 3.11 ]
	exclude:
	- python: 3.7
	steps:
	- uses: actions/checkout@v2
	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python }}
	- name: Install Tox and any other packages
	run: \|
	pip install tox
	pip install -r ./requirements.txt
	- name: Run Tox
	# Run tox using the version of Python in `PATH`
	run: tox -e py

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