class_docstr: Two Stages model used to convert mel spectrograms, to linear spectrograms, and then to audio
class_docstr_tok: ["Two","Stages","model","used","to","convert","mel","spectrograms",",","to","linear","spectrograms",",","and","then","to","audio"]
code: def setup_validation_data(self, cfg):
      pass
  
imports: from dataclasses import dataclass
  from typing import Any, Dict, List
  import librosa
  import torch
  from hydra.utils import instantiate
  from omegaconf import MISSING, DictConfig, OmegaConf
  from nemo.collections.tts.models.base import MelToSpec, Vocoder
  from nemo.collections.tts.parts.utils.helpers import OperationMode, griffin_lim
  from nemo.core.classes.common import PretrainedModelInfo
  from nemo.core.neural_types.elements import AudioSignal, MelSpectrogramType
  from nemo.core.neural_types.neural_type import NeuralType
label_desc: Use image node_id 14 for calling the TwoStagesModel obj's underlying member method code with example usage: obj.setup_validation_data(cfg) without return types