code: def __next__(self):
      if self.curr_iter < len(self.points):
          self.curr_iter += 1
          return self.points[self.curr_iter - 1]
      self.curr_iter = 0
      raise StopIteration
  
file_path: PaddleDetection/ppdet/modeling/lane_utils.py
imports: import os
  import cv2
  import numpy
  from scipy.interpolate import InterpolatedUnivariateSpline
label_desc: Use image node_id 6 for calling the Lane obj's underlying member method code with example usage: obj.__next__() and returns: self