ctransformers # ==0.2.10 0.2.13 dl-hf-model langchain==0.0.234 openai==0.27.8 python-dotenv==1.0.0 streamlit==1.24.1 llama-cpp-python==0.1.65 PyPDF2==3.0.1 tiktoken==0.4.0 qdrant-client==1.3.1