code: def render(self, display, current_camera_frame):
      rendered = False
      boxes_to_render = 0
      for frame, surface, box_count in self._surface_for_frame:
          if frame == current_camera_frame:
              display.blit(surface, (0, 0))
              boxes_to_render = box_count
              rendered = True
              break
      if not rendered and boxes_to_render > 0:
          print(
              "Warning: {} bounding boxes were not drawn.".format(
                  boxes_to_render
              )
          )
      self._last_camera_frame = current_camera_frame
  
imports: import glob
  import os
  import sys
  from enum import Enum
  import math
  import numpy
  import pygame
  import weakref
  import carla
  from carla import ad
label_desc: Use image node_id 3 for calling the RssBoundingBoxVisualizer obj's underlying member method code with example usage: obj.render(display, current_camera_frame) without return types