(self, summaries)
Method which implements all the tf summary operations. If the instance uses another controller inside it, 
        like DNC, then it's responsible for calling the controller's notify method
        
        :param summaries: 
        :return:
Method which implements all the tf summary operations. If the instance uses another controller inside it, 
        like DNC, then it's responsible for calling the controller's notify method
        
        :param summaries: 
        :return:
Method which implements all the tf summary operations . If the instance uses another controller inside it like DNC then it s responsible for calling the controller s notify method : param summaries : : return :
def notify(self, summaries):
        """
        Method which implements all the tf summary operations. If the instance uses another controller inside it, 
        like DNC, then it's responsible for calling the controller's notify method
        
        :param summaries: 
        :return: 
        """
        raise NotImplementedError()
def notify ( self , summaries ) : raise NotImplementedError ( )