class_docstr: SingleNodeModel defines abstraction for model service which loads a
  single model.
class_docstr_tok: ["SingleNodeModel","defines","abstraction","for","model","service","which","loads","a","single","model","."]
docstr: Internal preprocess methods. Do transformation on raw
  inputs and convert them to NDArray.
  
  Parameters
  ----------
  data : list of object
      Raw inputs from request.
  
  Returns
  -------
  list of NDArray
      Processed inputs in NDArray format.
docstr_tok: ["Internal","preprocess","methods",".","Do","transformation","on","raw","inputs","and","convert","them","to","NDArray",".","Parameters","--","--","--","--","--","data",":","list","of","object","Raw","inputs","from","request",".","Returns","--","--","--","-","list","of","NDArray","Processed","inputs","in","NDArray","format","."]
code: def _preprocess(self, data):
      """
      Internal preprocess methods. Do transformation on raw
      inputs and convert them to NDArray.
  
      Parameters
      ----------
      data : list of object
          Raw inputs from request.
  
      Returns
      -------
      list of NDArray
          Processed inputs in NDArray format.
      """
      return data
  
file_path: serve/ts/model_service/model_service.py
imports: import ast
  import json
  import logging
  import os
  import time
  from abc import ABCMeta, abstractmethod
label_desc: Use image node_id 3 for calling the SingleNodeService obj's underlying member method code with example usage: obj._preprocess(data) and returns: data