code: def test_viterbi_binary_bad_obs(x, trans):
      librosa.sequence.viterbi_binary(x, trans)
  
imports: import numpy
  import pytest
  from test_core import srand
  import librosa
label_desc: Use image node_id 21 for calling a global function with example usage: test_viterbi_binary_bad_obs(x, trans) without return types