def convert(self, text, encoding):
        """Convert the text."""

        if self.normalize in ('NFC', 'NFKC', 'NFD', 'NFKD'):
            text = unicodedata.normalize(self.normalize, text)
        if self.convert_encoding:
            text = text.encode(self.convert_encoding, self.errors).decode(self.convert_encoding)
            encoding = self.convert_encoding
        return text, encoding
Convert the text.