src/transformers/models/convbert/modeling_tf_convbert.py/TFConvBertForMultipleChoice/serving_output
class TFConvBertForMultipleChoice:    def serving_output(self, output):
        hs = tf.convert_to_tensor(output.hidden_states) if self.config.output_hidden_states else None
        attns = tf.convert_to_tensor(output.attentions) if self.config.output_attentions else None

        return TFMultipleChoiceModelOutput(logits=output.logits, hidden_states=hs, attentions=attns)