code: def forward(self, h):
      return self.mlp(h)
  
file_path: dgl/dglgo/dglgo/model/graph_encoder/gin_ogbg.py
imports: import dgl
  import torch
  import torch.nn
  import torch.nn.functional
  from dgl.nn import AvgPooling, GINEConv, SumPooling
  from ogb.graphproppred.mol_encoder import AtomEncoder, BondEncoder
label_desc: Use image node_id 2 for calling the MLP obj's underlying member method code with example usage: obj.forward(h) and returns: self