pandas accelerate bitsandbytes einops xformers gradio==3.50.2 langchain==0.1.12 langchain-core==0.1.32 langchain-google-genai google-generativeai torch==2.1.0 transformers==4.38.2 Pillow==10.1.0 pypdf==3.17.1 langchain-groq opencc-python-reimplemented