code: def emit_DepthwiseConv(self, IR_node):
      self.emit_Conv(IR_node)
  
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 28 for calling the OnnxEmitter obj's underlying member method code with example usage: obj.emit_DepthwiseConv(IR_node) without return types