Add docstrings to core library components (#273) #749

	# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
	'''
Check failure on line 3 in .github/workflows/python-package.yml View workflow run for this annotation GitHub Actions / .github/workflows/python-package.yml Invalid workflow file `You have an error in your yaml syntax on line 3`
	name: Python package

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

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.6, 3.7]

	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 pytest
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Test with pytest
	run: \|
	pytest
	'''

Provide feedback