from transformers import AutoConfig, T5Tokenizer, 
generator = pipeline('text-generation',
                     model='huggingtweets/fidelity')
generator("My dream is", num_return_sequences=5)

from fid import FiDT5

question = "question:"
title = "title:"
context = "context:"
tokenizer.add_tokens([question, title, context], special_tokens=True)
tokenizer._question = question
tokenizer._title = title
tokenizer._context = context
config = AutoConfig.from_pretrained("t5-base")

tokenizer = T5Tokenizer.from_pretrained("t5-base")
```