code: def hybrid_forward(self, F, x):
      u = self.conv_sigmoid(x) * self.conv_tanh(x)
      s = self.skip(u)
      if not self.return_dense_out:
          return s, F.zeros(shape=(1,))
      output = self.residue(u)
      output = output + F.slice_axis(
          x,
          begin=(self.kernel_size - 1) * self.dilation,
          end=None,
          axis=-1,
      )
      return s, output
  
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 2 for calling the CausalDilatedResidue obj's underlying member method code with example usage: obj.hybrid_forward(F, x) and returns: s,  output, s,  F