def is_open_punct(self):
return self.is_punct() and unicodedata.category(self.word) in {'<STR_LIT>', '<STR_LIT>'}<EOL>
Whether the chunk is an open punctuation mark.

        Ps: Punctuation, open (e.g. opening bracket characters)
        Pi: Punctuation, initial quote (e.g. opening quotation mark)
        See also https://en.wikipedia.org/wiki/Unicode_character_property

        Returns:
          bool: True if it is an open punctuation mark.