For use like a singleton, return the existing instance of the object
        or a new instance

def default_instance(cls):
        """
        For use like a singleton, return the existing instance of the object
        or a new instance
        """
        if cls._instance is None:
            with cls._instance_lock:
                if cls._instance is None:
                    cls._instance = FlowsLogger()

        return cls._instance