class_docstr: Unittest for nltk.tag.senna
code: def test_senna_tagger(self):
      tagger = SennaTagger(SENNA_EXECUTABLE_PATH)
      result = tagger.tag(
          "What is the airspeed of an unladen swallow ?".split()
      )
      expected = [
          ("What", "WP"),
          ("is", "VBZ"),
          ("the", "DT"),
          ("airspeed", "NN"),
          ("of", "IN"),
          ("an", "DT"),
          ("unladen", "NN"),
          ("swallow", "NN"),
          ("?", "."),
      ]
      self.assertEqual(result, expected)
  
file_path: nltk/nltk/test/unit/test_senna.py
imports: import unittest
  from os import environ, path, sep
  from nltk.classify import Senna
  from nltk.tag import SennaChunkTagger, SennaNERTagger, SennaTagger
label_desc: Use image node_id 1 for calling the TestSennaTagger obj's underlying member method code with example usage: obj.test_senna_tagger() without return types