code: def __init__(self, in_channels, hidden_channels, out_channels):
      super().__init__()
      self.conv1 = GCNConv(in_channels, hidden_channels)
      self.conv2 = GCNConv(hidden_channels, out_channels)
  
file_path: pytorch_geometric/examples/multi_gpu/papers100m_gcn_multinode.py
imports: import os
  import time
  import torch
  import torch.distributed
  import torch.nn.functional
  from ogb.nodeproppred import PygNodePropPredDataset
  from torch.nn.parallel import DistributedDataParallel
  from torch_geometric.loader import NeighborLoader
  from torch_geometric.nn import GCNConv
label_desc: Use image node_id 1 to create a new GCN object from inherited base classes: torch.nn with example: obj = GCN(in_channels, hidden_channels, out_channels)