class_docstr: A Graph Isomorphism Network (GIN) layer.
class_docstr_tok: ["A","Graph","Isomorphism","Network","(","GIN",")","layer","."]
code: def forward(self, batch):
      batch.x = self.model(batch.x, batch.edge_index)
      return batch
  
imports: import copy
  from dataclasses import dataclass, replace
  import torch
  import torch.nn.functional
  import torch_geometric
  import torch_geometric.graphgym.models.act
  import torch_geometric.graphgym.register
  from torch_geometric.graphgym.contrib.layer.generalconv import GeneralConvLayer, GeneralEdgeConvLayer
  from torch_geometric.graphgym.register import register_layer
  from torch_geometric.nn import Linear
label_desc: Use image node_id 2 for calling the GINConv obj's underlying member method code with example usage: obj.forward(batch) and returns: batch