Refactor `ModelObserver` and Fix Test Warnings for Consistency and Safety #235

	name: Unit Tests

	on:
	push:
	branches:
	- master
	pull_request:


	jobs:
	# services that need a DB
	UnitTests:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python:
	- "3.8"
	- "3.9"
	- "3.10"
	- "3.11"
	django:
	- Django>=3.2,<3.3
	- Django>=4.1,<4.2
	- Django>=4.2,<4.3
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python }}
	- name: Install
	run: \|
	pip install "${{ matrix.django }}"
	pip install .[tests]
	- name: Freeze
	run: pip freeze
	- name: Tests
	run: pytest

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