code: def draw_lines(self):
      for bbox in self.bboxes:
          self.draw_bbox(bbox)
  
imports: import vtk
  import json
  import numpy
  import argparse
  import sys
  import subprocess
  from plyfile import PlyData
label_desc: Use image node_id 12 for calling the Render obj's underlying member method code with example usage: obj.draw_lines() without return types