class_docstr: General GNN layer
      
class_docstr_tok: ["General","GNN","layer"]
code: def message(self, x_j, norm, edge_feature):
      if edge_feature is None:
          return norm.view(-1, 1) * x_j if norm is not None else x_j
      else:
          return (
              norm.view(-1, 1) * (x_j + edge_feature)
              if norm is not None
              else (x_j + edge_feature)
          )
  
imports: import torch
  import torch.nn
  from torch.nn import Parameter
  from torch_geometric.nn.conv import MessagePassing
  from torch_geometric.nn.inits import glorot, zeros
  from torch_geometric.utils import add_remaining_self_loops
  from torch_scatter import scatter_add
  from graphgym.config import cfg
label_desc: Use image node_id 5 for calling the GeneralConvLayer obj's underlying member method code with example usage: obj.message(x_j, norm, edge_feature) and returns: unknown, unknown