LiLT architecture. Taken from the original paper. 
This model was contributed by nielsr.
The original code can be found here.
Usage tips

To combine the Language-Independent Layout Transformer with a new RoBERTa checkpoint from the hub, refer to this guide.
The script will result in config.json and pytorch_model.bin files being stored locally. After doing this, one can do the following (assuming you're logged in with your HuggingFace account):