code: def paddle_layer(self):
      return self.layer
  
file_path: MMdnn/mmdnn/conversion/paddle/paddle_graph.py
imports: import os
  import paddle.v2
  import paddle.trainer_config_helpers.layers
  from mmdnn.conversion.common.DataStructure.graph import GraphNode, Graph
label_desc: Use image node_id 4 for calling the PaddleGraphNode obj's underlying member method code with example usage: obj.paddle_layer() and returns: self