gradio mdtex2html pypinyin tiktoken socksio tqdm colorama accelerate langchain torch langchain-serve protobuf faiss-cpu sentence_transformers InstructorEmbedding python-dotenv openai gpt4all pyllama git+https://github.com/huggingface/peft.git git+https://github.com/huggingface/transformers.git SentencePiece isort black pygpt4all tiktoken safetensors xformers bitsandbytes einops gevent pydantic >= 1.10.11 pypdf python-telegram-bot