code: def _get_split_path(self):
      return os.path.join(
          self._imagesets_path, "{}.txt".format(self._split)
      )
  
file_path: luminoth/luminoth/tools/dataset/readers/object_detection/imagenet.py
imports: import json
  import os
  import six
  import tensorflow
  from PIL import Image
  from luminoth.tools.dataset.readers import InvalidDataDirectory
  from luminoth.tools.dataset.readers.object_detection import ObjectDetectionReader
  from luminoth.utils.dataset import read_xml, read_image
label_desc: Use image node_id 6 for calling the ImageNetReader obj's underlying member method code with example usage: obj._get_split_path() and returns: os