python-dotenv~=1.0.1 torch~=2.2.2 transformers~=4.39.3 bitsandbytes~=0.42.0; sys_platform == 'darwin' bitsandbytes~=0.43.1; 'darwin' not in sys_platform accelerate~=0.28.0 pypdf~=4.1.0 tiktoken~=0.6.0 sentence-transformers~=2.5.1 faiss-cpu~=1.8.0 langchain~=0.1.16 streamlit~=1.29.0