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  TITLE
  How can I convert a `checkpoint.pth` (a model trained with pytorch-pretrained-bert) to huggingface model with `config.json` and `pytorch_model.bin` file?
  
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  # 📚 Migration
  
  ## Information
  
  <!-- Important information -->
  
  Model I am using (Bert, XLNet ...):
  
  Language I am using the model on (English, Chinese ...):
  
  The problem arises when using:
  * [ ] the official example scripts: (give details below)
  * [ ] my own modified scripts: (give details below)
  
  The tasks I am working on is:
  * [ ] an official GLUE/SQUaD task: (give the name)
  * [ ] my own task or dataset: (give details below)
  
  ## Details
  
  <!-- A clear and concise description of the migration issue.
      If you have code snippets, please provide it here as well.
      Important! Use code tags to correctly format your code. See https://help.github.com/en/github/writing-on-github/creating-and-highlighting-code-blocks#syntax-highlighting
      Do not use screenshots, as they are hard to read and (more importantly) don't allow others to copy-and-paste your code.
      -->
  
  ## Environment info
  <!-- You can run the command `python transformers-cli env` and copy-and-paste its output below.
       Don't forget to fill out the missing fields in that output! -->
   
  - `transformers` version:
  - Platform:
  - Python version:
  - PyTorch version (GPU?):
  - Tensorflow version (GPU?):
  - Using GPU in script?:
  - Using distributed or parallel set-up in script?:
  
  <!-- IMPORTANT: which version of the former library do you use? -->
  * `pytorch-transformers` or `pytorch-pretrained-bert` version (or branch):
  
  
  ## Checklist
  
  - [x] I have read the migration guide in the readme.
   ([pytorch-transformers](https://github.com/huggingface/transformers#migrating-from-pytorch-transformers-to-transformers);
    [pytorch-pretrained-bert](https://github.com/huggingface/transformers#migrating-from-pytorch-pretrained-bert-to-transformers))
  - [ ] I checked if a related official extension example runs on my machine.
  