@classmethod
def leaky_relu(cls, tensor, name='relu'):
    out_tensor = tf.maximum(tensor, (cls.neg_slope_of_relu * tensor), name=name)
    return out_tensor
@classmethod
def leaky_relu(cls, tensor, name='relu'):
    out_tensor = tf.maximum(tensor, (cls.neg_slope_of_relu * tensor), name=name)
    return out_tensor