code: def get_entities(self, get_ids):
      get_res = self._milvus.get_entity_by_id(
          self._collection_name, get_ids
      )
      return get_res
  
imports: import random
  import logging
  import time
  from multiprocessing import Process
  from pymilvus import Milvus, DataType
  import utils
  import config
  from milvus_benchmark.runners import utils
label_desc: Use image node_id 12 for calling the MilvusClient obj's underlying member method code with example usage: obj.get_entities(get_ids) and returns: get_res