Update requirements.txt #449

	name: test

	on:
	push:
	branches: [ master, gh-actions ]
	pull_request:
	branches: [ master ]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	# 2.7 not supported
	# 3.6 not supported
	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 flake8
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	python setup.py develop
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	- name: Test with unittest
	run: \|
	python -m unittest discover tests

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