class_docstr: Spectrogram to waveform conversion module.
class_docstr_tok: ["Spectrogram","to","waveform","conversion","module","."]
code: def __repr__(self):
      retval = f"{self.__class__.__name__}("
      for k, v in self.params.items():
          retval += f"{k}={v}, "
      retval += ")"
      return retval
  
file_path: espnet/espnet2/utils/griffin_lim.py
imports: import logging
  from functools import partial
  from typing import Optional
  import librosa
  import numpy
  import torch
  from packaging.version import parse
  from typeguard import check_argument_types
label_desc: Use image node_id 2 for calling the Spectrogram2Waveform obj's underlying member method code with example usage: obj.__repr__() and returns: retval