code: def _validation_file_path(ilsvrc_dir):
      return path.join(ilsvrc_dir, _VALIDATION_FILE_RELATIVE_PATH)
  
file_path: tensorflow/tensorflow/lite/tools/evaluation/tasks/imagenet_image_classification/generate_validation_labels.py
imports: import argparse
  from os import path
  import sys
  import scipy.io
label_desc: Use image node_id 2 for calling a global function with example usage: _validation_file_path(ilsvrc_dir) and returns: path