class_docstr: Class for unittest
class_docstr_tok: ["Class","for","unittest"]
docstr: Test tagging Greek POS with unigram tagger.
code: def test_pos_unigram_greek(self):
      """Test tagging Greek POS with unigram tagger."""
      tagger = POSTag("grc")
      tagged = tagger.tag_unigram(
          "θεοὺς μὲν αἰτῶ τῶνδ᾽ ἀπαλλαγὴν πόνων φρουρᾶς ἐτείας μῆκος"
      )  # pylint: disable=line-too-long
      self.assertTrue(tagged)
  
imports: import os
  import shutil
  import unittest
  from cltk.data.fetch import FetchCorpus
  from cltk.tag import ner
  from cltk.tag.ner import NamedEntityReplacer
  from cltk.tag.pos import POSTag
  from cltk.text.lat import replace_jv
  from cltk.utils import CLTK_DATA_DIR
label_desc: Use image node_id 2 for calling the TestSequenceFunctions obj's underlying member method code with example usage: obj.test_pos_unigram_greek() without return types