code: def collapse_whitespace(text):
      # Regular expression matching whitespace:
      _whitespace_re = re.compile(r"\s+")
      return re.sub(_whitespace_re, " ", text)
  
file_path: TTS/TTS/tts/utils/text/bangla/phonemizer.py
imports: import re
  import bangla
  from bnnumerizer import numerize
  from bnunicodenormalizer import Normalizer
label_desc: Use image node_id 4 for calling a global function with example usage: collapse_whitespace(text) and returns: re