code: def rename_Splice(self, source_node):
      if len(source_node.in_edges) == 1:
          source_node.in_edges.append(source_node.in_edges[0])
      IR_node = self._convert_identity_operation(
          source_node, new_op="Concat"
      )
      assign_IRnode_values(
          IR_node, {"axis": source_node.get_attr("axis")[-1] + 1}
      )
  
imports: import os
  import numpy
  from six.moves import xrange
  import cntk
  from mmdnn.conversion.cntk.cntk_graph import CntkGraph
  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
label_desc: Use image node_id 23 for calling the CntkParser obj's underlying member method code with example usage: obj.rename_Splice(source_node) without return types