code: def __init__(
      self, n_shift, win_length=None, window="hann", center=True
  ):
      self.n_shift = n_shift
      self.win_length = win_length
      self.window = window
      self.center = center
  
imports: import librosa
  import numpy
label_desc: Use image node_id 1 to create a new IStft object from inherited base classes: object with example: obj = IStft(n_shift, win_length, window, center)