code: def __init__(self, in_dim, out_dim):
      super().__init__()
      self.gatconv = GATConv(in_dim, out_dim, heads=1)
  
imports: import argparse
  import os.path
  import time
  import torch
  from sklearn.metrics import f1_score
  from torch_geometric.datasets import PPI
  from torch_geometric.loader import DataLoader
  from torch_geometric.nn import GATConv
label_desc: Use image node_id 1 to create a new Breadth object from inherited base classes: torch.nn with example: obj = Breadth(in_dim, out_dim)