code: def rename_UNKNOWN(self, source_node):
      print(
          "PyTorch parser has not supported operator [%s] with name [%s]."
          % (source_node.type, source_node.name)
      )
      assert False
      print(source_node.layer)
      print(source_node.layer.data.size())
  
imports: import os
  import numpy
  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.pytorch.pytorch_graph import PytorchGraph040
  from mmdnn.conversion.pytorch.pytorch_graph import PytorchGraph151
  import torch
  import torchvision
label_desc: Use image node_id 7 for calling the PytorchParser obj's underlying member method code with example usage: obj.rename_UNKNOWN(source_node) without return types