code: def collapse_whitespace(text):
      return re.sub(_whitespace_re, " ", text).strip()
  
file_path: TTS/TTS/tts/utils/text/cleaners.py
imports: import re
  from unidecode import unidecode
  from .number_norm import normalize_numbers
  from .abbreviations import abbreviations_en, abbreviations_fr
  from .time import expand_time_english
label_desc: Use image node_id 4 for calling a global function with example usage: collapse_whitespace(text) and returns: re