langchain==0.0.335 PyPDF2 python-dotenv==1.0.0 streamlit==1.28.2 openai faiss-cpu==1.7.4 altair==5.1.2 tiktoken==0.5.1 black==23.11.0 huggingface-hub==0.17.3 InstructorEmbedding==1.0.1 sentence-transformers==2.2.2 transformers deep_translator pandas openpyxl langchain-groq llama-cpp-python