code: def _convert_Add(node, graph, err):
      input_name_list = [str(i) for i in node.inputs]
      output_name = str(node.outputs[0])
      node_name = node.name
  
      max_dim = 0
      for name in input_name_list:
          if graph.channel_dims[name] > max_dim:
              max_dim = graph.channel_dims[name]
  
      if "broadcast" in node.attrs:
          if node.attrs["broadcast"] == 1:
              input_node_number = len(input_name_list)
              if input_node_number != 2:
                  return err.unsupported_op_configuration(
                      node,
                      "Broadcast Add must has 2 input, not {}".format(
                          input_node_number
                      ),
                  )
              axis = node.attrs["axis"]
              flat_layer = myf(
                  "Flatten",
                  node_name + "_flat",
                  [input_name_list[1]],
                  [output_name + "_flat"],
              )
              layer = myf(
                  "Bias",
                  node_name,
                  [input_name_list[0], output_name + "_flat"],
                  [output_name],
                  axis=axis,
              )
              # layer = myf("Bias", node_name, input_name_list, [output_name], bias_term = False, axis = axis)
              graph.channel_dims[output_name] = graph.channel_dims[
                  input_name_list[0]
              ]
              return flat_layer, layer
  
      layer = myf(
          "Eltwise",
          node_name,
          input_name_list,
          [output_name],
          operation=P.Eltwise.SUM,
      )
      graph.channel_dims[output_name] = graph.channel_dims[
          input_name_list[0]
      ]
      return layer
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  from caffe import params
  import math
  import numpy
  from ._graph import Node, Graph
  from MyCaffe import Function
label_desc: Use image node_id 7 for calling a global function with example usage: _convert_Add(node, graph, err) and returns: layer, flat_layer,  layer, err