fix Django 5.1 error, test in Django 5.1 #266

	name: Test
	on: [push, pull_request]
	jobs:
	Build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
	django-version: ['3.2', '4.1', '4.2', '5.0', '5.1.*']
	exclude:
	- python-version: 3.11
	django-version: 3.2

	- python-version: 3.12
	django-version: 3.2

	- python-version: 3.8
	django-version: 5.0

	- python-version: 3.9
	django-version: 5.0

	- python-version: 3.8
	django-version: 5.1.*

	- python-version: 3.9
	django-version: 5.1.*
	fail-fast: false

	steps:
	- uses: actions/checkout@v3
	- name: 'Set up Python ${{ matrix.python-version }}'
	uses: actions/setup-python@v3
	with:
	python-version: '${{ matrix.python-version }}'
	cache: 'pip'
	- name: Install dependencies
	run: \|
	pip install -r requirements.txt
	pip install -r tests/requirements.txt
	pip install "Django==${{ matrix.django-version }}" .
	- name: Run Tests
	run: \|
	echo "$(python --version) / Django $(django-admin --version)"
	export DJANGO_SETTINGS_MODULE=tests.settings
	export PYTHONPATH=.
	coverage run --source=avatar `which django-admin` test tests
	coverage report
	coverage xml
	- name: Upload coverage reports to Codecov with GitHub Action
	uses: codecov/codecov-action@v3

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