code: def __next__(self):
      if self._index < self._length:
          ring = self._get_ring(self._index)
          self._index += 1
          return ring
      else:
          raise StopIteration
  
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 3 for calling the InteriorRingSequence obj's underlying member method code with example usage: obj.__next__() and returns: ring