code: def is_last_layer(self, i):
      return i + 1 == len(self.dilations)
  
imports: import math
  from typing import List, Optional
  import mxnet
  from mxnet import gluon
  from mxnet.gluon import nn
  from gluonts.core.component import validated
  from gluonts.mx import Tensor
  from gluonts.mx.block.feature import FeatureEmbedder
label_desc: Use image node_id 4 for calling the WaveNet obj's underlying member method code with example usage: obj.is_last_layer(i) and returns: unknown