code: def rename_UNKNOWN(self, source_node):
      print(source_node.layer)
      print(source_node.layer.data.size())
      assert False
      print(
          "PyTorch parser has not supported operator [%s] with name [%s]."
          % (source_node.type, source_node.name)
      )
  
imports: import os
  import numpy
  from torch.utils.serialization import load_lua
  import mmdnn.conversion.common.IR.graph_pb2
  from mmdnn.conversion.common.IR.graph_pb2 import NodeDef, GraphDef, DataType
  from mmdnn.conversion.common.utils import *
  from mmdnn.conversion.common.DataStructure.parser import Parser
  from mmdnn.conversion.torch.torch_graph import TorchGraph
label_desc: Use image node_id 4 for calling the TorchParser obj's underlying member method code with example usage: obj.rename_UNKNOWN(source_node) without return types