old_contents: from hubconfs.bert_hubconf import (
      bertTokenizer,
      bertModel,
      bertForNextSentencePrediction,
      bertForPreTraining,
      bertForMaskedLM,
      bertForSequenceClassification,
      bertForMultipleChoice,
      bertForQuestionAnswering,
      bertForTokenClassification
  )
  from hubconfs.gpt_hubconf import (
      OpenAIGPTTokenizer,
      OpenAIGPTModel,
      OpenAIGPTLMHeadModel,
      OpenAIGPTDoubleHeadsModel
  )
new_contents: from hubconfs.bert_hubconf import (
      bertTokenizer,
      bertModel,
      bertForNextSentencePrediction,
      bertForPreTraining,
      bertForMaskedLM,
      bertForSequenceClassification,
      bertForMultipleChoice,
      bertForQuestionAnswering,
      bertForTokenClassification
  )
  from hubconfs.gpt_hubconf import (
      openAIGPTTokenizer,
      openAIGPTModel,
      openAIGPTLMHeadModel,
      openAIGPTDoubleHeadsModel
  )
subject: Fix typo in hubconf