docstr: Removes added attributes while leaving original attributes.
docstr_tok: ["Removes","added","attributes","while","leaving","original","attributes","."]
code: def resetcache(self):
      "Removes added attributes while leaving original attributes."
      # Function is really about resetting delegator dict
      # to original state.  Cache is just a means
      for key in self.__cache:
          try:
              delattr(self, key)
          except AttributeError:
              pass
      self.__cache.clear()
  
label_desc: Use image node_id 3 for calling the Delegator obj's underlying member method code with example usage: obj.resetcache() without return types