从简单变压器导入分类模型时出现错误(无法导入名称"BertPreTrainedModel")

Question

尝试从simpletransformers导入分类模型时出现以下错误。

---

ImportError                               Traceback (most recent call last)
<ipython-input-1-29f08e6c2d87> in <module>()
----> 1 from simpletransformers.classification import ClassificationModel, ClassificationArgs
3 frames
/usr/local/lib/python3.6/dist-packages/simpletransformers/classification/transformer_models/roberta_model.py in <module>()
2 import torch.nn as nn
3 from torch.nn import CrossEntropyLoss, MSELoss
----> 4 from transformers.modeling_roberta import (
5     ROBERTA_PRETRAINED_MODEL_ARCHIVE_LIST,
6     BertPreTrainedModel,
ImportError: cannot import name 'BertPreTrainedModel'
---------------------------------------------------------------------------

Answer 1

在这个github问题中，问题是simpletransformers的旧版本。要获得最新版本，请执行pip install --upgrade simpletransformers。甚至可能对transformers包也这样做。