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## Imports | |
from typing import Tuple | |
import torch | |
from torch import Module, Tensor | |
from transformers.models.roberta.modeling_roberta import RobertaPreTrainedModel, RobertaConfig, RobertaModel, RobertaEncoder | |
from torch.nn import CrossEntropyLoss, CosineEmbeddingLoss | |
## Function |