code: def test_init_task_invalid():
      with pytest.raises(ValueError):
          OpenAIWhisperTokenizer(
              "whisper_multilingual", "zh", "transcribe_aaa"
          )
  
file_path: espnet/test/espnet2/text/test_whisper_tokenizer.py
imports: import sys
  import pytest
  from espnet2.text.whisper_tokenizer import OpenAIWhisperTokenizer
label_desc: Use image node_id 7 for calling a global function with example usage: test_init_task_invalid() without return types