docs: def _run_lambda_function(event, context, app, config):  # pragma: no cover
      """Run the function. This is the default when no plugins (such as wsgi)
      define an alternative run function."""
      args = event.get('args', [])
      kwargs = event.get('kwargs', {})
  
      # first attempt to invoke the function passing the lambda event and context
      try:
          ret = app(*args, event=event, context=context, **kwargs)
      except TypeError:
          # try again without passing the event and context
          ret = app(*args, **kwargs)
      return ret