code: def test_export_multilingual_vocabulary_to_stdout():
      try:
          export_vocabulary("-", "whisper_multilingual", "en")
      except Exception as e:
          pytest.fail(f"exception thrown: {e}")
  
file_path: espnet/test/espnet2/bin/test_whisper_export_vocabulary.py
imports: from argparse import ArgumentParser
  import pytest
  from espnet2.bin.whisper_export_vocabulary import export_vocabulary, get_parser, main
label_desc: Use image node_id 4 for calling a global function with example usage: test_export_multilingual_vocabulary_to_stdout() without return types