Fix lint errors #59

	# Continuous integration tests.

	name: test-examples

	on:
	push:
	branches:
	- main
	paths:
	- '.github/workflows/test-examples.yml'
	- 'examples/**'
	- 'meltingpot/**'
	- 'setup.py'
	pull_request:
	branches:
	- main
	paths:
	- '.github/workflows/test-examples.yml'
	- 'examples/**'
	- 'meltingpot/**'
	- 'setup.py'
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.ref }}
	cancel-in-progress: true

	permissions: read-all

	jobs:
	test-examples:
	name: Test examples
	runs-on: ubuntu-latest
	env:
	SYSTEM_VERSION_COMPAT: 0 # See https://github.com/actions/setup-python/issues/279.
	timeout-minutes: 90
	steps:
	- name: Checkout Melting Pot
	uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
	- name: Set up Python
	uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1
	with:
	python-version: '3.10'
	- name: Install Python dependencies
	run: \|
	pip install --upgrade pip
	pip install setuptools pytest-xdist
	- name: Install Melting Pot
	run: \|
	pip -vvv install .
	pip list
	- name: Install examples
	run: \|
	pip install -r examples/requirements.txt
	pip list
	- name: Test examples
	run: pytest examples

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