class_docstr: Wrap an object to make it more picklable, note that it uses
  heavy weight serialization libraries that are slower than pickle.
  It's best to use it only on closures (which are usually not picklable).
  
  This is a simplified version of
  https://github.com/joblib/joblib/blob/master/joblib/externals/loky/cloudpickle_wrapper.py
class_docstr_tok: ["Wrap","an","object","to","make","it","more","picklable",",","note","that","it","uses","heavy","weight","serialization","libraries","that","are","slower","than","pickle",".","It","'s","best","to","use","it","only","on","closures","(","which","are","usually","not","picklable",")",".","This","is","a","simplified","version","of","https",":","\/\/github.com\/joblib\/joblib\/blob\/master\/joblib\/externals\/loky\/cloudpickle_wrapper.py"]
code: def __getattr__(self, attr):
      # Ensure that the wrapped object can be used seamlessly as the previous object.
      if attr not in ["_obj"]:
          return getattr(self._obj, attr)
      return getattr(self, attr)
  
imports: import cloudpickle
label_desc: Use image node_id 4 for calling the PicklableWrapper obj's underlying member method code with example usage: obj.__getattr__(attr) and returns: getattr, getattr