code: def idle():
      glutPostRedisplay()
  
imports: from OpenGL.GL import *
  from OpenGL.GLUT import *
  from OpenGL.GLU import *
  from OpenGL.GL.ARB.vertex_buffer_object import *
  import numpy, Image
  import sys, time, os
  import pycuda.driver
  import pycuda.gl
  import pycuda
  from pycuda.compiler import SourceModule
label_desc: Use image node_id 10 for calling a global function with example usage: idle() without return types