code: def test_init_en():
      tokenizer = OpenAIWhisperTokenizer(
          "whisper_en", "en", "transcribe"
      )
      assert tokenizer.tokenizer.tokenizer.vocab_size == 50257
  
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 2 for calling a global function with example usage: test_init_en() without return types