docstr: Retrieve the actual object represented by the sentinel
  
  Returns
  -------
  object
      The object for which the sentinel was being used as a placeholder
docstr_tok: ["Retrieve","the","actual","object","represented","by","the","sentinel","Returns","--","--","--","-","object","The","object","for","which","the","sentinel","was","being","used","as","a","placeholder"]
code: def retrieve_by_sentinel(self) -> object:
      """Retrieve the actual object represented by the sentinel
  
      Returns
      -------
      object
          The object for which the sentinel was being used as a placeholder
      """
  
file_path: hyperparameter_hunter/hyperparameter_hunter/sentinels.py
imports: from hyperparameter_hunter.data.data_core import BaseDataset
  from hyperparameter_hunter.settings import G
  from hyperparameter_hunter.utils.boltons_utils import remap
  from abc import ABCMeta, abstractmethod
label_desc: Use image node_id 6 for calling the Sentinel obj's underlying member method code with example usage: obj.retrieve_by_sentinel() without return types