code: def test_postprocessor_typeerror():
      with pytest.raises(ValueError):
          nlp = stanza.Pipeline(
              **{
                  "processors": "tokenize",
                  "dir": TEST_MODELS_DIR,
                  "lang": "en",
                  "tokenize_postprocessor": "iamachicken",
              }
          )
  
imports: import pytest
  import stanza
  from stanza.tests import *
label_desc: Use image node_id 7 for calling a global function with example usage: test_postprocessor_typeerror() without return types