def test_changed_special(self):
"""
wordnet doesn't correctly normalize ('felt', 'VBD')
because there's a verb 'felt' and wordnet doesn't
understand that it's 'feel' in past tense
normalize function has a workaround for this case
"""
self.assertEqual(normalize(('felt', 'VBD')), 'feel')
def test_changed(self):
self.assertEqual(normalize(('going', 'VBG')), 'go')
def test_unchanged(self):
self.assertEqual(normalize(('tree', 'NN')), 'tree')
