class_docstr: ctc python decode unittest
docstr: ctc greedy decode unittest
docstr_tok: ["ctc","greedy","decode","unittest"]
code: def test_ctc_greedy_decode(self):
      """ctc greedy decode unittest"""
      decode_result_list = py_ctc.ctc_greedy_decode(
          self.model_output, 0, unique=False
      )
      self.assertEqual(decode_result_list, [[2, 2], [3, 1]])
  
      decode_result_list = py_ctc.ctc_greedy_decode(
          self.model_output, 0, unique=True
      )
      self.assertEqual(decode_result_list, [[2], [3, 1]])
  
imports: import delta.compat
  from delta.utils.decode import py_ctc
label_desc: Use image node_id 3 for calling the PyCtcTest obj's underlying member method code with example usage: obj.test_ctc_greedy_decode() without return types