Improved `DatasetNotFound` error #139

	name: Linter
	on: pull_request
	jobs:
	Bandit:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Run checks
	run: \|
	pip install --user -r <(grep "^bandit" ./requirements.txt)
	echo "Bandit version: "`bandit --version \| head -1`
	bandit -r ./
	isort:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Run checks
	run: \|
	pip install --user -r <(grep "^isort" ./requirements.txt)
	isort --check --diff .
	black:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Run checks
	run: \|
	pip install --user -r <(grep "^black" ./requirements.txt)
	black --check --diff --color .
	Pylint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Run checks
	run: \|
	pip install --user -r <(grep "^pylint" ./requirements.txt)
	echo "Pylint version: "`pylint --version \| head -1`
	git ls-files -z '*.py' \| xargs -0 pylint
	remark:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-node@v2
	with:
	node-version: 12

	- name: Run checks
	run: \|
	npm ci
	echo "remark version: "`npx remark --version`
	npx remark --frail .
	whitespace:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Check whitespace
	run: \|
	empty_tree="$(git hash-object -t tree --stdin < /dev/null)"
	git diff --check "$empty_tree"

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