code: def _postprocess_output(self, output):
          '''
          Performs the last modifications before the output is returned.
          '''
          # Replace long vowels with circumflex characters.
          if self.vowel_style == CIRCUMFLEX_STYLE:
              try:
                  output = output.translate(vowels_to_circumflexes)
              except TypeError:
                  # Python 2 will error out here if there are no
                  # macron characters in the string to begin with.
                  pass
  
          # Output the desired case.
          if self.uppercase:
              output = output.upper()
  
          return outpuf _postprocess_output(self, output):
          '''
          Performs the last modifications before the output is returned.
          '''
          # Replace long vowels with circumflex characters.
          if self.vowel_style == CIRCUMFLEX_STYLE:
              try:
                  output = output.translate(vowels_to_circumflexes)
              except TypeError:
                  # Python 2 will error out here if there are no
                  # macron characters in the string to begin with.
                  pass
  
          # Output the desired case.
          if self.uppercase:
              output = output.upper()
  
          return output
docs: Performs the last modifications before the output is returned.