code: def build_output_layer(self):
      return RelGraphConv(
          self.h_dim,
          self.out_dim,
          self.num_rels,
          "basis",
          self.num_bases,
          activation=None,
          self_loop=self.use_self_loop,
      )
  
file_path: dgl/examples/mxnet/rgcn/entity_classify.py
imports: import argparse
  import time
  from functools import partial
  import dgl
  import mxnet
  import mxnet.ndarray
  import numpy
  from dgl.data.rdf import AIFBDataset, AMDataset, BGSDataset, MUTAGDataset
  from dgl.nn.mxnet import RelGraphConv
  from model import BaseRGCN
  from mxnet import gluon
label_desc: Use image node_id 3 for calling the EntityClassify obj's underlying member method code with example usage: obj.build_output_layer() and returns: RelGraphConv