def get_secure_cookie(self, name, value=None, max_age_days=31):
        """Returns the given signed cookie if it validates, or None.
        """
        if value != None:
            value = self.get_cookie(name)
        return decode_signed_value(COOKIE_SECRET, name, value,
                                   max_age_days=max_age_days)
dataset/ETHPy150Open toastdriven/itty/itty.py/Request.get_secure_cookie/operator `is` -> `!=`