code: def forward(self, x):
      z = F.elu(self.fc1(x))
      return self.fc2(z)
  
file_path: dgl/examples/pytorch/grace/model.py
imports: import torch
  import torch.nn
  import torch.nn.functional
  from dgl.nn import GraphConv
label_desc: Use image node_id 2 for calling the MLP obj's underlying member method code with example usage: obj.forward(x) and returns: self