Call the lua scripts with given keys and args

        We add the separator to the arguments to be passed to the script

        For the parameters, see BaseRangeIndex.call_script

def call_script(self, key, tmp_key, key_type, start, end, exclude, *args):
        """Call the lua scripts with given keys and args

        We add the separator to the arguments to be passed to the script

        For the parameters, see BaseRangeIndex.call_script

        """

        args = list(args)
        args.append(self.separator)

        super(TextRangeIndex, self).call_script(
            key, tmp_key, key_type, start, end, exclude, *args
        )