code: def test_vocoder_lookup(dense_name, vocab_size):
      quantizer_name = "kmeans"
  
      vocoder = TacotronVocoder.by_name(
          dense_model_name=dense_name,
          quantizer_model_name=quantizer_name,
          vocab_size=vocab_size,
      )
      assert vocoder is not None
  
file_path: textlesslib/tests/test_model_handling.py
imports: import pytest
  from textless import dispatch_dense_model, dispatch_quantizer
  from textless.data.speech_encoder import SpeechEncoder
  import torch
  from itertools import product
  from textless.vocoders.tacotron2.vocoder import TacotronVocoder
label_desc: Use image node_id 3 for calling a global function with example usage: test_vocoder_lookup(dense_name, vocab_size) without return types