negative range seems to work #30

	name: code quality checks and unit tests

	on:
	pull_request:


	jobs:
	# quality
	quality_checks:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version:
	- "3.8"
	- "3.9"
	- "3.10"
	- "3.11"
	es-version:
	- "7.17.6"
	es-dsl-version:
	- "7.4.0"
	include:
	# only test older ES version with python 3.10
	- python-version: "3.10"
	es-version: "6.8.23"
	es-dsl-version: "6.4.0"
	# we need to include this however to be sure it runs
	- python-version: "3.10"
	es-version: "7.17.6"
	es-dsl-version: "7.4.0"

	env:
	ES_VERSION: "${{ matrix.es-version }}"
	steps:
	#----------------------------------------------
	# check-out repo and set-up python
	#----------------------------------------------
	- name: Check out repository
	uses: actions/checkout@v3
	- name: Setup python
	uses: actions/setup-python@v4
	with:
	python-version: "${{ matrix.python-version }}"
	- name: install project
	run: \|
	pip install -r requirements-dev.txt
	pip install .
	pip install coveralls
	pip install elasticsearch-dsl==${{ matrix.es-dsl-version }}
	- name: run tests
	run: \|
	make quality && \
	make es_tests

Provide feedback