old_contents: import unittest
  import inflect
  
  
  class TestUnicode(unittest.TestCase):
      """ Unicode compatibility test cases """
  
      def test_unicode_plural(self):
          """ Unicode compatibility test cases for plural """
          engine = inflect.engine()
          unicode_test_cases = {"cliché": "clichés", "ångström": "ångströms"}
          for singular, plural in unicode_test_cases.items():
              self.assertEqual(plural, engine.plural(singular))
  
new_contents: import unittest
  import inflect
  
  
  class TestUnicode(unittest.TestCase):
      """Unicode compatibility test cases"""
  
      def test_unicode_plural(self):
          """Unicode compatibility test cases for plural"""
          engine = inflect.engine()
          unicode_test_cases = {"cliché": "clichés", "ångström": "ångströms"}
          for singular, plural in unicode_test_cases.items():
              self.assertEqual(plural, engine.plural(singular))
  
subject: apply black formatting