fix potential dereferencing of null (#2810) #1673

	name: github pages

	on:
	push:
	branches:
	- main
	- development

	jobs:
	deploy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Install pandoc and doxygen
	run: \|
	sudo apt update
	sudo apt install pandoc doxygen

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'
	cache: "pip"

	- name: Upgrade pip
	run: \|
	# install pip=>20.1 to use "pip cache dir"
	python3 -m pip install --upgrade pip

	- name: Install dependencies
	run: python3 -m pip install -r ./requirements.txt

	- name: Build docs
	if: ${{ endsWith(github.ref, 'main') }}
	env:
	GITHUB_BRANCH: 'main'
	run: ./deploy_docs_action.sh

	- name: Build docs
	if: ${{ endsWith(github.ref, 'development') }}
	env:
	GITHUB_BRANCH: 'development'
	run: ./deploy_docs_action.sh

	- name: Deploy
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./out
	keep_files: true

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