code: def load_plugin(category, name, aux_info=None):
      '''fetches the entry point for a plugin and calls it with the given
      aux_info'''
      func = load_simple_endpoint(category, name)
      if aux_info is None:
          return func()
      else:
          return func(aux_info)
      raise KeyError(namef load_plugin(category, name, aux_info=None):
      '''fetches the entry point for a plugin and calls it with the given
      aux_info'''
      func = load_simple_endpoint(category, name)
      if aux_info is None:
          return func()
      else:
          return func(aux_info)
      raise KeyError(name)
docs: fetches the entry point for a plugin and calls it with the given
      aux_info