code: def stereo_wave():
      return get_stereo_wave
  
imports: import ast
  import contextlib
  import functools
  import http.server
  import importlib
  import inspect
  import io
  import pkgutil
  import socketserver
  import sys
  import tempfile
  import threading
  import numpy
  import pytest
  from moviepy.video.io.VideoFileClip import VideoFileClip
label_desc: Use image node_id 9 for calling a global function with example usage: stereo_wave() and returns: get_stereo_wave