huggingface_hub einops sentence-transformers torch==2.2.0 transformers openai python-dotenv chromadb langchain-community langchain-chroma unstructured[all-docs] libmagic gradio # poppler # tesseract # libxml2 # libxslt git+https://github.com/xlang-ai/instructor-embedding.git@5cca65eb0ed78ab354b086a5386fb2c528809caa