Switch to Python 3.8 and ensure compatibility with Ubuntu 22.04 #1972

	name: Docs
	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	workflow_dispatch:

	permissions:
	contents: write
	jobs:
	docs:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v3
	with:
	python-version: '3.9'
	- name: Install dependencies
	run: \|
	pip install uv
	uv pip install --system .[docs]
	- name: Sphinx build
	# fail on warnings
	run: \|
	sphinx-build docs _build -W --keep-going
	- name: Deploy
	uses: peaceiris/actions-gh-pages@v3
	with:
	publish_branch: gh-pages
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: _build/
	force_orphan: true
	cname: docs.nerf.studio
	if: github.event_name != 'pull_request'

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