Function responsible to serialize the prediction for the response.

    Args:
        prediction (obj): prediction returned by predict_fn .
        accept (str): accept content-type expected by the client.

    Returns:
        (worker.Response): a Flask response object with the following args:

            * Args:
                response: the serialized data to return
                accept: the content-type that the data was transformed to.

def default_output_fn(prediction, accept):
    """Function responsible to serialize the prediction for the response.

    Args:
        prediction (obj): prediction returned by predict_fn .
        accept (str): accept content-type expected by the client.

    Returns:
        (worker.Response): a Flask response object with the following args:

            * Args:
                response: the serialized data to return
                accept: the content-type that the data was transformed to.
    """
    return _worker.Response(response=_encoders.encode(prediction, accept), mimetype=accept)