Fix linting #62

	name: Test examples

	on:
	push:

	jobs:
	test:

	runs-on: ubuntu-latest

	services:
	mongodb:
	image: mongo
	ports:
	- 27017:27017

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.7
	uses: actions/setup-python@v2
	with:
	python-version: 3.7
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Lint with black
	run: \|
	black --exclude venv/ --check .
	- name: Type check with mypy
	run: \|
	mypy --exclude venv/ .
	- name: Test with pytest
	run: \|
	pytest
	env:
	MONGODB_CONNECTION_STRING: "mongodb://localhost:27017"

Provide feedback