langchain==0.0.335 #llama-index PyPDF2==3.0.1 pytesseract chromadb python-dotenv==1.0.0 streamlit==1.28.2 openai==1.2.4 faiss-cpu==1.7.4 altair==5.1.2 tiktoken==0.5.1 black==23.11.0 pdf2image pdfminer # uncomment to use huggingface llms huggingface-hub==0.17.3 # uncomment to use instructor embeddings unstructured[local-inference] InstructorEmbedding==1.0.1 sentence-transformers==2.2.2 transformers