class_docstr: String with various indexes.
docstr: Returns indexes to appropriate words.
code: def __get_idxs(self, words):
      """Returns indexes to appropriate words."""
      if self.bow:
          return list(
              itertools.chain.from_iterable(
                  [self.positions[z] for z in words]
              )
          )
      else:
          return self.positions[words]
  
imports: from functools import partial
  import itertools
  import json
  import re
  import numpy
  import scipy
  import sklearn
  from sklearn.utils import check_random_state
  from .None import explanation
  from .None import lime_base
label_desc: Use image node_id 8 for calling the IndexedString obj's underlying member method code with example usage: obj.__get_idxs(words) and returns: list, self