class_docstr: Adds methods related to getting batches from filenames
  
  It includes the logic to transform image files to batches.
docstr: List of absolute paths to image files
docstr_tok: ["List","of","absolute","paths","to","image","files"]
code: def filepaths(self):
      """List of absolute paths to image files"""
      raise NotImplementedError(
          "`filepaths` property method has not been implemented in {}.".format(
              type(self).__name__
          )
      )
  
imports: import os
  import threading
  import numpy
  from keras_preprocessing import get_keras_submodule
  from .utils import array_to_img, img_to_array, load_img
label_desc: Use image node_id 3 for calling the BatchFromFilesMixin obj's underlying member method code with example usage: obj.filepaths() without return types