code: def __init__(
      self, wav_path, start, end, text, article, speaker, sub_set=None
  ):
      self.wav_path = wav_path
      self.start = start
      self.end = end
      self.text = text
      self.article = article
      self.speaker = speaker
      self.sub_set = sub_set
  
imports: import argparse
  import csv
  import os
  import random
  import re
  import shutil
  import sys
  import tarfile
  import unicodedata
  import wave
  import xml.etree.ElementTree
  from collections import Counter
  from glob import glob
  from multiprocessing.pool import ThreadPool
  import progressbar
  import sox
  from deepspeech_training.util.downloader import SIMPLE_BAR, maybe_download
  from deepspeech_training.util.importers import validate_label_eng
  from ds_ctcdecoder import Alphabet
label_desc: Use image node_id 1 to create a new Sample object  with example: obj = Sample(wav_path, start, end, text, article, speaker, sub_set)