docstr: Each token should correspond with a timestep
docstr_tok: ["Each","token","should","correspond","with","a","timestep"]
code: def test_timesteps_shape(self, use_lexicon):
      """Each token should correspond with a timestep"""
      emissions = self._get_emissions()
      decoder = self._get_decoder(use_lexicon=use_lexicon)
  
      results = decoder(emissions)
      for i in range(emissions.shape[0]):
          result = results[i][0]
          self.assertEqual(result.tokens.shape, result.timesteps.shape)
  
imports: import itertools
  import torch
  from parameterized import parameterized
  from torchaudio_unittest.common_utils import get_asset_path, skipIfNoCtcDecoder, TempDirMixin, TorchaudioTestCase
label_desc: Use image node_id 7 for calling the CTCDecoderTest obj's underlying member method code with example usage: obj.test_timesteps_shape(use_lexicon) without return types