code: def __iter__(self):
      self._index = 0
      self._length = self.__len__()
      return self
  
imports: import numpy
  import shapely
  from shapely.algorithms.cga import is_ccw_impl, signed_area
  from shapely.errors import TopologicalError
  from shapely.geometry.base import BaseGeometry
  from shapely.geometry.linestring import LineString
  from shapely.geometry.point import Point
label_desc: Use image node_id 2 for calling the InteriorRingSequence obj's underlying member method code with example usage: obj.__iter__() and returns: self