Pick out tokens from an uncompyle6 code object, and transform them,
        returning a list of uncompyle6 Token's.

        The transformations are made to assist the deparsing grammar.

def ingest(self, co, classname=None, code_objects={}, show_asm=None):
        """
        Pick out tokens from an uncompyle6 code object, and transform them,
        returning a list of uncompyle6 Token's.

        The transformations are made to assist the deparsing grammar.
        """
        tokens, customize = scan.Scanner21.ingest(self, co, classname, code_objects, show_asm)
        for t in tokens:
            if t.op == self.opc.UNPACK_LIST:
                t.kind = 'UNPACK_LIST_%d' % t.attr
            pass
        return tokens, customize