code: def test_add_space_after_no():
      assert (
          prepare_tokenizer_treebank.add_space_after_no("_")
          == "SpaceAfter=No"
      )
      assert (
          prepare_tokenizer_treebank.add_space_after_no("MoxOpal=Unban")
          == "MoxOpal=Unban|SpaceAfter=No"
      )
      with pytest.raises(ValueError):
          prepare_tokenizer_treebank.add_space_after_no("SpaceAfter=No")
  
file_path: stanza/stanza/tests/tokenization/test_prepare_tokenizer_treebank.py
imports: import pytest
  import stanza
  from stanza.tests import *
  from stanza.utils.datasets import prepare_tokenizer_treebank
label_desc: Use image node_id 2 for calling a global function with example usage: test_add_space_after_no() without return types