class_docstr: Abstract class for Explore in :py:class:`orion.algo.pbt.pbt.PBT`
  
  The explore class is responsible for proposing new parameters for a given trial and space.
  
  This class is expected to be stateless and serve as a configurable callable object.
docstr: Configuration of the exploit object
docstr_tok: ["Configuration","of","the","exploit","object"]
code: def configuration(self):
      """Configuration of the exploit object"""
      return dict(of_type=self.__class__.__name__.lower())
  
imports: import numpy
  from orion.core.utils import GenericFactory
  from orion.core.utils.flatten import flatten, unflatten
label_desc: Use image node_id 3 for calling the BaseExplore obj's underlying member method code with example usage: obj.configuration() and returns: dict