class_docstr: Update the node feature hv with MLP, BN and ReLU.
code: def forward(self, h):
      h = self.mlp(h)
      h = self.bn(h)
      h = torch.nn.functional.relu(h)
      return h
  
imports: import dgl
  import torch.nn.functional
  import typing
  from dgl.nn.pytorch.conv import GINConv
  from ..None import base_encoder, encoder_registry
  from ...None import _utils
label_desc: Use image node_id 2 for calling the ApplyNodeFunc obj's underlying member method code with example usage: obj.forward(h) and returns: h