code: def __init__(self, in_channels, out_channels):
      super().__init__()
      self.conv1 = GCNConv(in_channels, 16, cached=True)
      self.conv2 = GCNConv(16, out_channels, cached=True)
  
imports: import torch
  import torch.nn.functional
  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, out_channels)