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 __init__(self, obj):
      while isinstance(obj, PicklableWrapper):
          # Wrapping an object twice is no-op
          obj = obj._obj
      self._obj = obj
  
imports: import cloudpickle
label_desc: Use image node_id 1 to create a new PicklableWrapper object  with example: obj = PicklableWrapper(obj)