Fix requirements. #1269

	name: JARVIS-Tools linting

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 4
	matrix:
	python-version: [3.9]

	steps:
	- uses: actions/checkout@v1
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	- name: Lint with pycodestyle
	run: \|
	pip install pycodestyle --upgrade
	pycodestyle --ignore E203,W503 --exclude=examples,testfiles jarvis
	- name: Lint with flake8
	run: \|
	pip install flake8 --upgrade
	flake8 --ignore E203,W503 --exclude=examples,tests --statistics --count --exit-zero jarvis
	- name: Lint with pydoctstyle
	run: \|
	pip install pydocstyle --upgrade
	pydocstyle --match-dir=core --match-dir=io --match-dir=io --match-dir=ai --match-dir=analysis --match-dir=db --match-dir=tasks --count jarvis

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