def refresh(self):
        """
        Reload the node from neo4j
        """
        self._pre_action_check('refresh')
        if hasattr(self, 'id'):
            request = self.cypher("MATCH (n) WHERE id(n)={self}"
                                            " RETURN n")[0]
            if not request or not request[0]:
                raise self.__class__.DoesNotExist("Can't refresh non existent node")
            node = self.inflate(request[0][0])
            for key, val in node.__properties__.items():
                setattr(self, key, val)
        else:
            raise ValueError("Can't refresh unsaved node")
Reload the node from neo4j