class_docstr: A Worker manager for synthetic functions. Mostly to be used in simulations. 
docstr: Close all queries. 
docstr_tok: ["Close","all","queries","."]
code: def close_all_queries(self):
      """Close all queries."""
      pass
  
imports: from __future__ import print_function
  from __future__ import division
  from argparse import Namespace
  from multiprocessing import Process
  import numpy
  import os
  import pickle
  import shutil
  import time
  from .exd_utils import EVAL_ERROR_CODE
label_desc: Use image node_id 7 for calling the SyntheticWorkerManager obj's underlying member method code with example usage: obj.close_all_queries() without return types