code: def test_ner_warns_no_lookups(caplog):
      nlp = English()
      assert nlp.lang in util.LEXEME_NORM_LANGS
      nlp.vocab.lookups = Lookups()
      assert not len(nlp.vocab.lookups)
      nlp.add_pipe("ner")
      with caplog.at_level(logging.DEBUG):
          nlp.initialize()
          assert "W033" in caplog.text
      caplog.clear()
      nlp.vocab.lookups.add_table("lexeme_norm")
      nlp.vocab.lookups.get_table("lexeme_norm")["a"] = "A"
      with caplog.at_level(logging.DEBUG):
          nlp.initialize()
          assert "W033" not in caplog.text
  
imports: import logging
  import random
  import pytest
  from numpy.testing import assert_equal
  from spacy import registry, util
  from spacy.attrs import ENT_IOB
  from spacy.lang.en import English
  from spacy.lang.it import Italian
  from spacy.language import Language
  from spacy.lookups import Lookups
  from spacy.pipeline import EntityRecognizer
  from spacy.pipeline._parser_internals.ner import BiluoPushDown
  from spacy.pipeline.ner import DEFAULT_NER_MODEL
  from spacy.tokens import Doc, Span
  from spacy.training import Example, iob_to_biluo, split_bilu_label
  from spacy.vocab import Vocab
  from ..util import make_tempdir
label_desc: Use image node_id 37 for calling a global function with example usage: test_ner_warns_no_lookups(caplog) without return types