fix Quantity import #1042

	# Modified from GitHub Actions template

	name: Lint

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	jobs:
	lint:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.9', '3.10', '3.11']
	steps:
	- uses: actions/checkout@v2
	- name: Setup 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 --upgrade setuptools wheel
	pip install pytest
	pip install numpy
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Lint with Pylint
	run: \|
	pylint vivarium

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