(self, metric, index)
Args:
            metric (Metric): Metric to apply in this multi-output context
            index (integer): The index into the model's output tuple to apply
                             the metric to
Args:
            metric (Metric): Metric to apply in this multi-output context
            index (integer): The index into the model's output tuple to apply
                             the metric to
Args : metric ( Metric ) : Metric to apply in this multi - output context index ( integer ) : The index into the model s output tuple to apply the metric to
def __init__(self, metric, index):
        """
        Args:
            metric (Metric): Metric to apply in this multi-output context
            index (integer): The index into the model's output tuple to apply
                             the metric to
        """
        self.metric = metric
        self.index = index
def __init__ ( self , metric , index ) : self . metric = metric self . index = index