Check that `MultiDiscrete.dtype` is not None (#1196) #1

	name: Build release documentation website

	on:
	push:
	tags:
	- 'v?..*'

	permissions:
	contents: write

	jobs:
	docs:
	name: Generate Website for new version
	runs-on: ubuntu-latest
	env:
	SPHINX_GITHUB_CHANGELOG_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-python@v5
	with:
	python-version: '3.9'

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

	- name: Install Gymnasium
	run: pip install .[box2d,mujoco,jax] torch matplotlib

	- name: Build Envs Docs
	run: python docs/_scripts/gen_mds.py && python docs/_scripts/gen_envs_display.py

	- name: Build
	run: sphinx-build -b dirhtml -v docs _build

	- name: Move 404
	run: mv _build/404/index.html _build/404.html

	- name: Update 404 links
	run: python docs/_scripts/move_404.py _build/404.html

	- name: Remove .doctrees
	run: rm -r _build/.doctrees

	- name: Upload to GitHub Pages
	uses: JamesIves/github-pages-deploy-action@v4
	with:
	folder: _build
	target-folder: ${{github.ref_name}}
	clean: false

	- name: Upload to GitHub Pages
	uses: JamesIves/github-pages-deploy-action@v4
	if: ${{ !contains(github.ref_name, 'a') }}
	with:
	folder: _build
	clean-exclude: \|
	..*/
	main

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