code: def test_en_simple_punct(en_tokenizer):
      text = "to walk, do foo"
      tokens = en_tokenizer(text)
      assert tokens[0].idx == 0
      assert tokens[1].idx == 3
      assert tokens[2].idx == 7
      assert tokens[3].idx == 9
      assert tokens[4].idx == 12
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_en_simple_punct(en_tokenizer) without return types