code: def get_pipeline_response(self, read_op):
      seg_op = SegOp(name="seg", input_ops=[read_op])
      seg_op.set_in_out_name(self.input_name, self.output_name)
      return seg_op
  
imports: import io
  import os
  import sys
  import base64
  import argparse
  import yaml
  import numpy
  from PIL import Image
  from paddle_serving_server.web_service import WebService, Op
  from preprocess_ops import ResizeImage, CenterCropImage, NormalizeImage, ToCHW, Compose
label_desc: Use image node_id 2 for calling the SegService obj's underlying member method code with example usage: obj.get_pipeline_response(read_op) and returns: seg_op