Fix memory leak in waterworld_v4 by clearing old handlers before addi… #2710

	---
	name: Python tests

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

	permissions:
	contents: read

	jobs:
	linux-test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.8', '3.9', '3.10', '3.11']
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	sudo apt-get install python3-opengl xvfb
	pip install -e .[all]
	pip install -e .[testing]
	AutoROM -v
	- name: Source distribution test
	run: \|
	python -m pip install --upgrade build
	python -m build --sdist
	pip install dist/*.tar.gz
	- name: Release Test
	run: \|
	xvfb-run -s "-screen 0 1024x768x24" pytest -v --cov=pettingzoo --cov-report term

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