class_docstr: TODO: Add voice conversion and Capacitron support.
code: def is_multi_speaker(self):
      if (
          hasattr(self.synthesizer.tts_model, "speaker_manager")
          and self.synthesizer.tts_model.speaker_manager
      ):
          return (
              self.synthesizer.tts_model.speaker_manager.num_speakers
              > 1
          )
      return False
  
imports: import tempfile
  import warnings
  from pathlib import Path
  from typing import Union
  import numpy
  from torch import nn
  from TTS.utils.audio.numpy_transforms import save_wav
  from TTS.utils.manage import ModelManager
  from TTS.utils.synthesizer import Synthesizer
  from TTS.config import load_config
label_desc: Use image node_id 3 for calling the TTS obj's underlying member method code with example usage: obj.is_multi_speaker() and returns: False, unknown