code: def forward(self, x):
      res, gate = x.split(2, axis=-1)
      gate = self.norm(gate)
  
      weight, bias = self.proj.weight, self.proj.bias
      gate = F.conv1d(gate, weight, bias)
  
      return self.act(gate) * res
  
imports: import paddle
  import paddle.nn
  import paddle.nn.functional
label_desc: Use image node_id 2 for calling the SpatialGatingUnit obj's underlying member method code with example usage: obj.forward(x) and returns: unknown