MLPY/Lib/site-packages/pettingzoo/__init__.py

import os
import sys

from pettingzoo.utils import AECEnv, ParallelEnv

# Initializing pygame initializes audio connections through SDL. SDL uses alsa by default on all Linux systems
# SDL connecting to alsa frequently create these giant lists of warnings every time you import an environment using pygame
# DSP is far more benign (and should probably be the default in SDL anyways)

if sys.platform.startswith("linux"):

    os.environ["SDL_AUDIODRIVER"] = "dsp"

os.environ["PYGAME_HIDE_SUPPORT_PROMPT"] = "hide"

__version__ = "1.15.0"