lxml==5.2.2 streamlit==1.35.0 qdrant-client transformers sentence-transformers hf-transfer scipy langchain==0.2.5 langchain-community==0.2.5 langchain-experimental==0.0.61 wikipedia msgpack watchdog --extra-index-url https://download.pytorch.org/whl/cpu torch --extra-index-url https://abetlen.github.io/llama-cpp-python/whl/cu121 llama-cpp-python