Empty candidate sentence detected; setting raw BERTscores to 0
Warning: Empty reference sentence detected; setting raw BERTScores to 0
Some weights of RobertaModel were not initialized from the model checkpoint at roberta-large and are newly initialized: ['roberta.pooler.dense.bias', 'roberta.pooler.dense.weight']
You should probably TRAIN this model on a down-stream task to be able to use it for predictions and inference.