remove dead code: singledispatch has been in the standard library ... #1323

	name: Tests

	on:
	push:
	branches: ["main"]
	pull_request:
	workflow_call:

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 4
	matrix:
	django: ["3.2", "4.2", "5.0"]
	python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
	exclude:
	- django: "3.2"
	python-version: "3.11"
	- django: "3.2"
	python-version: "3.12"
	- django: "5.0"
	python-version: "3.8"
	- django: "5.0"
	python-version: "3.9"
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install tox tox-gh-actions
	- name: Test with tox
	run: tox
	env:
	DJANGO: ${{ matrix.django }}

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