code: def compact(self, collection_name=None):
      tmp_collection_name = (
          self._collection_name
          if collection_name is None
          else collection_name
      )
      status = self._milvus.compact(tmp_collection_name)
      self.check_status(status)
  
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 16 for calling the MilvusClient obj's underlying member method code with example usage: obj.compact(collection_name) without return types