code: def emit_Relu(self, IR_node):
      self.add_body(
          1,
          "{:15} = helper.make_node('Relu', inputs=['{}'], outputs=['{}'], name='{}')".format(
              IR_node.variable_name,
              self.parent_variable_name(IR_node),
              IR_node.variable_name,
              IR_node.variable_name,
          ),
      )
      self.nodes.append(IR_node.variable_name)
  
imports: from mmdnn.conversion.common.DataStructure.emitter import Emitter
  from mmdnn.conversion.common.IR.IR_graph import IRGraph
  import os.path
  import mmdnn.conversion.common.IR.graph_pb2
  import numpy
  import sys
label_desc: Use image node_id 11 for calling the OnnxEmitter obj's underlying member method code with example usage: obj.emit_Relu(IR_node) without return types