Add `black` formatter as pre-commit step #49

	name: tests
	on:
	push:
	branches:
	- main
	paths:
	- notebooks/**
	pull_request:
	branches:
	- main
	paths:
	- notebooks/**
	jobs:
	notebook-tests:
	strategy:
	matrix:
	es_stack:
	- 8.11.4
	- 8.12.0
	- 8.13.0-SNAPSHOT
	runs-on: ubuntu-latest
	services:
	elasticsearch:
	image: docker.elastic.co/elasticsearch/elasticsearch:${{ matrix.es_stack }}
	env:
	discovery.type: single-node
	xpack.security.enabled: false
	xpack.security.http.ssl.enabled: false
	xpack.license.self_generated.type: trial
	ports:
	- 9200:9200
	steps:
	- name: Remove irrelevant software # to free up required disk space
	run: \|
	df -h
	sudo rm -rf /opt/ghc
	sudo rm -rf /opt/hostedtoolcache/CodeQL
	sudo rm -rf /usr/local/lib/android
	sudo rm -rf /usr/share/dotnet
	df -h
	- name: Checkout
	uses: actions/checkout@v4
	- name: Setup python
	uses: actions/setup-python@v5
	with:
	python-version: '3.10'
	- name: Setup nbtest
	run: make install-nbtest
	- name: Warm up
	continue-on-error: true
	run: sleep 30 && PATCH_ES=1 ELASTIC_CLOUD_ID=foo ELASTIC_API_KEY=bar bin/nbtest notebooks/search/00-quick-start.ipynb
	- name: Run tests
	run: PATCH_ES=1 FORCE_COLOR=1 make -s test

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