tiktoken transformers-stream-generator==0.0.3 torch --index-url https://download.pytorch.org/whl/cu121/ accelerate==0.25.0 bitsandbytes==0.41.1 gradio==4.14.0 protobuf==3.20.3 scipy==1.11.2 sentencepiece==0.1.99 spaces==0.20.0 transformers einops