@classmethod<EOL><INDENT>def create(cls, config_file=None):<DEDENT>
if cls.instance is None:<EOL><INDENT>cls.instance = cls(config_file)<EOL>cls.instance.load_ini()<EOL><DEDENT>if config_file and config_file != cls.instance.config_file:<EOL><INDENT>raise RuntimeError("<STR_LIT>")<EOL><DEDENT>return cls.instance<EOL>
Return the default configuration.