code: def istft(
      *,
      y: np.ndarray = None,
      hop_length: int = None,
      win_length: int = None,
      window: str = "hann",
      center: bool = True,
      **kwargs,
  ) -> np.ndarray:
      """Librosa iSTFT wrapper.
  
      Check http://librosa.org/doc/main/generated/librosa.istft.html argument details.
  
      Returns:
          np.ndarray: Complex number array.
      """
      return librosa.istft(
          y,
          hop_length=hop_length,
          win_length=win_length,
          center=center,
          window=window,
      )
  
imports: from io import BytesIO
  from typing import Tuple
  import librosa
  import numpy
  import scipy
  import soundfile
  from librosa import magphase, pyin
label_desc: Use image node_id 16 for calling a global function with example usage: istft() and returns: librosa