def get_parser_attr(self, attr=None, agent=None):
        """See :func:`burpui.misc.backend.interface.BUIbackend.get_parser_attr`"""
        if not attr and not self.parser:
            return []
        try:
            return getattr(self.parser, attr)
        except:
            return []
dataset/ETHPy150Open ziirish/burp-ui/burpui/misc/backend/burp1.py/Burp.get_parser_attr/operator `or` -> `and`