code: def test_TransducerDecoder_invalid_type():
      with pytest.raises(ValueError):
          TransducerDecoder(10, rnn_type="foo")
  
file_path: espnet/test/espnet2/asr/decoder/test_transducer_decoder.py
imports: import pytest
  import torch
  from espnet2.asr.decoder.transducer_decoder import TransducerDecoder
  from espnet2.asr.transducer.beam_search_transducer import Hypothesis
label_desc: Use image node_id 2 for calling a global function with example usage: test_TransducerDecoder_invalid_type() without return types