numpy>=1.21.0 torch>=2.0.0 transformers==4.36.2 sentence-transformers==2.2.2 huggingface-hub==0.19.4 python-dotenv==1.0.0 tqdm==4.66.1 flask==3.0.0 flask-cors==4.0.0 chromadb==0.4.22 openai==1.12.0 gradio==4.16.0 markdown==3.5.1 pypdf2==3.0.1 langchain==0.1.0 unstructured==0.11.0