code: def get_tag_ids(batch, idx="tag_ids"):
      return NerModel.get_from_batch(batch, idx)
  
imports: import math
  import random
  import sys
  import numpy
  import tensorflow
  from .sentence_grouper import SentenceGrouper
  from ..tf2contrib import *
label_desc: Use image node_id 17 for calling the NerModel obj's underlying member method code with example usage: obj.get_tag_ids(batch, idx) and returns: NerModel