code: def forward(self, features):
      return self.net(self.g, features)
  
imports: import torch
  import torch.nn
  from dgl.nn.pytorch import AGNNConv, APPNPConv, ChebConv, GATConv, GINConv, GraphConv, SAGEConv, SGConv, TAGConv
label_desc: Use image node_id 2 for calling the SGC obj's underlying member method code with example usage: obj.forward(features) and returns: self