docs: def _parse_handler_result(self, result):
          """Parses the item(s) returned by your handler implementation.
  
          Handlers may return a single item (payload), or a tuple that gets
          passed to the Response class __init__ method of your HTTP layer.
  
          _parse_handler_result separates the payload from the rest the tuple,
          as well as providing the tuple so that it can be re-composed after
          the payload has been run through the `_returns` Resource's renderer.
          """
          if isinstance(result, (list, tuple)):
              payload = result[0]
              list_result = list(result)
          else:
              payload = result
              list_result = [""]
          return payload, list_result