code: def zhtok():
      pipeline = Pipeline(
          "zh-hans",
          dir=TEST_MODELS_DIR,
          download_method=None,
          processors="tokenize",
      )
      tokenizer = pipeline.processors["tokenize"]
      return tokenizer
  
file_path: stanza/stanza/tests/tokenization/test_tokenize_data.py
imports: import pytest
  import tempfile
  import numpy
  import stanza
  from stanza import Pipeline
  from stanza.tests import *
  from stanza.models.tokenization.data import DataLoader, NUMERIC_RE
label_desc: Use image node_id 4 for calling a global function with example usage: zhtok() and returns: tokenizer