[system] make all fields nullable in system update #42

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

	name: Test, Lint and Format

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

	permissions:
	contents: read

	jobs:
	build:

	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.10
	uses: actions/setup-python@v3
	with:
	python-version: "3.10"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt -r requirements-dev.txt
	- name: Test with pytest
	run: \|
	pytest
	- name: Lint and format with ruff
	uses: chartboost/ruff-action@v1

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