code: def modify_serving_client_conf(conf_path):
      lines = open(conf_path).readlines()
      feat_type_str = "  feed_type: "
      shape_str = "  shape: "
      with open(conf_path, "w") as of:
          for line in lines:
              if line.startswith(feat_type_str):
                  line = feat_type_str + "20\n"
              elif line.startswith(shape_str):
                  line = shape_str + "1\n"
              of.write(line)
  
label_desc: Use image node_id 2 for calling a global function with example usage: modify_serving_client_conf(conf_path) without return types