code: def __init__(self, node, _params, _all_tensors):
      super(ConcatMapper, self).__init__(node, _params, _all_tensors)
  
imports: from zoo.pipeline.api.onnx.mapper.operator_mapper import OperatorMapper
  from zoo.pipeline.api.onnx.onnx_helper import OnnxHelper
  import zoo.pipeline.api.keras.layers
label_desc: Use image node_id 1 to create a new ConcatMapper object from inherited base classes: OperatorMapper with example: obj = ConcatMapper(node, _params, _all_tensors)