class_docstr: Entry point-extended Type
  
  classes can be registered via entry points
  in addition to standard 'mypackage.MyClass' strings
code: def help(self, value):
      self._original_help = value
  
file_path: ipyparallel/ipyparallel/traitlets.py
imports: import entrypoints
  from traitlets import List, TraitError, Type
label_desc: Use image node_id 3 for calling the Launcher obj's underlying member method code with example usage: obj.help(value) without return types