Fixed error in render function for CustomActionMaskedEnvironment Class #295

	---
	name: Documentation tests

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	permissions:
	contents: read

	jobs:
	docs-test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	group: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.11
	uses: actions/setup-python@v4
	with:
	python-version: '3.11'
	- name: Install dependencies
	run: \|
	sudo apt-get install python3-opengl xvfb
	pip install -e .[all]
	pip install -e .[testing]
	pip install supersuit shimmy pytest-split
	AutoROM -v
	- name: Install documentation dependencies
	run: pip install -r docs/requirements.txt
	- name: Generate environment docs
	run: python docs/_scripts/gen_envs_mds.py
	- name: Documentation test
	run: \|
	xvfb-run -s "-screen 0 1024x768x24" pytest docs --markdown-docs -m markdown-docs --ignore=tutorials --ignore=docs/tutorials --splits 10 --group ${{ matrix.group }}

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