code: def test_underscores():
      """
      Check that the methods work if the inputs are underscores instead of dashes
      """
      assert not utils.is_basic_scheme(
          [x for y in BIO_U_TAGS for x in y]
      )
      check_reprocessed_tags(WORDS, BIO_U_TAGS, BIOES_TAGS)
  
file_path: stanza/stanza/tests/ner/test_ner_utils.py
imports: import pytest
  from stanza.tests import *
  from stanza.models.common.vocab import EMPTY
  from stanza.models.ner import utils
label_desc: Use image node_id 13 for calling a global function with example usage: test_underscores() without return types