Add test for nullable unique together against 3.14 #1772

	name: CI

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	tests:
	name: Python ${{ matrix.python-version }}
	runs-on: ubuntu-20.04

	strategy:
	matrix:
	python-version:
	- '3.6'
	- '3.7'
	- '3.8'
	- '3.9'
	- '3.10'

	steps:
	- uses: actions/checkout@v3

	- uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'pip'
	cache-dependency-path: 'requirements/*.txt'

	- name: Upgrade packaging tools
	run: python -m pip install --upgrade pip setuptools virtualenv wheel

	- name: Install dependencies
	run: python -m pip install --upgrade codecov tox tox-py

	- name: Run tox targets for ${{ matrix.python-version }}
	run: tox --py current

	- name: Run extra tox targets
	if: ${{ matrix.python-version == '3.9' }}
	run: \|
	python setup.py bdist_wheel
	rm -r djangorestframework.egg-info # see #6139
	tox -e base,dist,docs
	tox -e dist --installpkg ./dist/djangorestframework-*.whl

	- name: Upload coverage
	run: \|
	codecov -e TOXENV,DJANGO

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