code: def __init__(self, in_size, out_size, hidden_size=16):
      super().__init__()
  
      self.layer1 = HypergraphAttention(in_size, hidden_size)
      self.layer2 = HypergraphAttention(hidden_size, out_size)
  
imports: import argparse
  import dgl.sparse
  import torch
  import torch.nn
  import torch.nn.functional
  import tqdm
  from dgl.data import CoraGraphDataset
  from torchmetrics.functional import accuracy
label_desc: Use image node_id 1 to create a new Net object from inherited base classes: nn with example: obj = Net(in_size, out_size, hidden_size)