def __call__(self, arguments=None) -> None:
self._config_parser = self._read_config_files()<EOL>if arguments is None:<EOL><INDENT>arguments = self.argument_parser.parse_args()<EOL><DEDENT>else:<EOL><INDENT>if isinstance(arguments, str):<EOL><INDENT>arguments = arguments.split()<EOL><DEDENT>elif not isinstance(arguments, (list, tuple)):<EOL><INDENT>raise ValueError<EOL><DEDENT>arguments = self.argument_parser.parse_args(arguments)<EOL><DEDENT>self._process_args(arguments)<EOL>sys.exit(<NUM_LIT:0>)<EOL>
r"""Calls developer script.

        Returns none.