code: def __getitem__(self, item):
      options = self.get().kwargs
      if item in options:
          return options[item]
      else:
          raise KeyError(
              f"{item!r} is not in opts. Valid items is {', '.join(options)}."
          )
  
imports: import copy
  import sys
  from functools import wraps
  from types import FunctionType
  import param
  from .None import util
  from .pprint import PrettyPrinter
label_desc: Use image node_id 10 for calling the Opts obj's underlying member method code with example usage: obj.__getitem__(item) and returns: options