code: def __getitem__(self, key):
      try:
          return super().__getitem__(key)
      except KeyError as e:
          msg = (
              f"'{key}' Not in Registry. Make sure the module in "
              "which it is defined has been imported."
          )
          raise PlotnineError(msg) from e
  
file_path: plotnine/plotnine/_utils/registry.py
imports: from __future__ import annotations
  from abc import ABCMeta
  from collections import defaultdict
  from weakref import WeakValueDictionary
  from ..exceptions import PlotnineError
label_desc: Use image node_id 1 for calling the _Registry obj's underlying member method code with example usage: obj.__getitem__(key) and returns: super