class_docstr: A Base class for a worker manager. 
docstr: Returns the poll time. 
docstr_tok: ["Returns","the","poll","time","."]
code: def get_poll_time_real(self):
      """Returns the poll time."""
      raise NotImplementedError("Implement in a child class.")
  
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 13 for calling the AbstractWorkerManager obj's underlying member method code with example usage: obj.get_poll_time_real() without return types