code: def test_toc_save():
      happy_toc.save("model/")
      result_before = happy_toc.classify_token(
          "My name is Geoffrey and I live in Toronto"
      )
  
      happy = HappyTokenClassification(load_path="model/")
      result_after = happy.classify_token(
          "My name is Geoffrey and I live in Toronto"
      )
  
      assert result_before[0].word == result_after[0].word
  
imports: from happytransformer import HappyTokenClassification
  from happytransformer.happy_token_classification import TokenClassificationResult
  from tests import happy_toc
label_desc: Use image node_id 2 for calling a global function with example usage: test_toc_save() without return types