code: def __init__(self, dim):
      super(Discriminator, self).__init__()
      self.fn = nn.Bilinear(dim, dim, 1)
  
file_path: dgl/examples/pytorch/mvgrl/node/model.py
imports: import torch
  import torch.nn
  from dgl.nn.pytorch import GraphConv
  from dgl.nn.pytorch.glob import AvgPooling
label_desc: Use image node_id 1 to create a new Discriminator object from inherited base classes: nn with example: obj = Discriminator(dim)