mutil gpu errors
i want to use multi gpus to train,but it erros;

model = nn.DataParallel(model)
model = model.cuda()
model.train_model(train_df, eval_data=eval_df)
torch.nn.modules.module.ModuleAttributeError: 'DataParallel' object has no attribute 'train_model'

so how can i to use multi gpus
Is this related to `transformers`? <|||||>yes    this is simpletransformers and i find transformers multi gpus is hard to  run <|||||>This issue has been automatically marked as stale because it has not had recent activity. If you think this still needs to be addressed please comment on this thread.

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