/home/ubuntu/agent-tool-testing/src/toolfuzz/agent_executors/langchain/react_old.py:14: LangChainDeprecationWarning: LangChain agents will continue to be supported, but it is recommended for new use cases to be built with LangGraph. LangGraph offers a more flexible and full-featured framework for building agents, including support for tool-calling, persistence of state, and human-in-the-loop workflows. For details, refer to the `LangGraph documentation <https://langchain-ai.github.io/langgraph/>`_ as well as guides for `Migrating from AgentExecutor <https://python.langchain.com/docs/how_to/migrate_agent/>`_ and LangGraph's `Pre-built ReAct agent <https://langchain-ai.github.io/langgraph/how-tos/create-react-agent/>`_.
  agent = initialize_agent(tools, model, agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION, verbose=True,
Traceback (most recent call last):
  File "/home/ubuntu/agent-tool-testing/src/eval/baseline/baseline_whitebox.py", line 214, in <module>
    main()
  File "/home/ubuntu/agent-tool-testing/src/eval/baseline/baseline_whitebox.py", line 203, in main
    failure_test(get_langchain_tools())
  File "/home/ubuntu/agent-tool-testing/src/eval/baseline/baseline_whitebox.py", line 59, in failure_test
    assert tool_to_test is not None, f"Tool {cl_args.tool} not found in langchain tools"
AssertionError: Tool stack_exchange not found in langchain tools
