code: def find_feat_files(data_path):
      feat_paths = glob.glob(
          os.path.join(data_path, "**", "*.npy"), recursive=True
      )
      return feat_paths
  
file_path: TTS/TTS/vocoder/datasets/preprocess.py
imports: import glob
  import os
  from pathlib import Path
  from tqdm import tqdm
  import numpy
label_desc: Use image node_id 3 for calling a global function with example usage: find_feat_files(data_path) and returns: feat_paths