code: def forward(self, node):
      h = node.data["h"]
      if self.bias is not None:
          h = h + self.bias.data(h.context)
      if self.activation:
          h = self.activation(h)
      return {"h": h}
  
file_path: dgl/examples/mxnet/gcn/gcn_mp.py
imports: import mxnet
  from mxnet import gluon
label_desc: Use image node_id 2 for calling the NodeUpdate obj's underlying member method code with example usage: obj.forward(node) and returns: dict