huggingface_hub==0.25.2 langchain[all]>=0.1.14 langchain-community>=0.0.19 langchain-huggingface>=0.0.6 transformers sentence-transformers faiss-cpu pdfminer.six pypdf #google-genai==1.5.0 pydantic==2.10.6 python-dotenv gradio==5.6.0 sentencepiece