code: def get_vp(in_lab_file):
      # initialize output
      voice_part_old = []
      utt_array = []  # uttrance array w/o '#'
  
      # get voice_part & utt_array
      with open(in_lab_file, "r") as f:
          reader = csv.reader(f, delimiter="\t")
          for x in reader:
              if x[2] != "#":
                  voice_part_old.append(np.float(x[0]))
                  voice_part_old.append(np.float(x[1]))
                  utt_array.append(x[2])
      voice_part_old = np.reshape(voice_part_old, (-1, 2))
  
      return voice_part_old, utt_array
  
file_path: espnet/egs/blizzard17/tts1/local/make_lab_wo_sil.py
imports: import csv
  import sys
  import librosa
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: get_vp(in_lab_file) and returns: voice_part_old,  utt_array