code: def __init__(self, iter_list):
      assert len(iter_list) > 0
      self.provide_data = iter_list[0].provide_data
      self.provide_label = iter_list[0].provide_label
      self.iter_list = iter_list
      self.cur_iter = None
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import random
  import logging
  import sys
  import numbers
  import math
  import sklearn
  import datetime
  import numpy
  import cv2
  import mxnet
  from mxnet import ndarray
  from mxnet import io
  from mxnet import recordio
  import face_preprocess
label_desc: Use image node_id 1 to create a new FaceImageIterList object from inherited base classes: io with example: obj = FaceImageIterList(iter_list)