code: def embed(self, inputs):
      h_1 = self.gcn_1(self.g, inputs)
      return h_1.detach()
  
file_path: dgl/examples/pytorch/rect/model.py
imports: import torch.nn
  import torch.nn.functional
  from dgl.nn.pytorch import GraphConv
label_desc: Use image node_id 3 for calling the GCN obj's underlying member method code with example usage: obj.embed(inputs) and returns: h_1