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uvicorn[standard]>=0.29,<1.0
langgraph>=0.2,<1.0
langchain-openai>=0.2,<1.0
langchain-core>=0.3,<1.0
pydantic>=2.0,<3.0
python-dotenv>=1.0,<2.0
httpx>=0.27,<1.0
pytest>=8.0,<9.0
PyPDF2>=3.0,<4.0