500 Internal Server Error when sending request to sukoon_api.py

[yourresult]

While running Langgraph's "sukoon_api.py" and sending a request to http://127.0.0.1:8000/query, I encountered a 500 Internal Server Error. The error message received is: "'AgentFinish' object is not subscriptable."

Branch Name: langgraph

Steps to Reproduce:

1. Run the Langgraph "sukoon_api.py" script.
2. Send a request to http://127.0.0.1:8000/query. with Input a POST message: input = "Hii, I am feeling not good."
3. Observe the error.

Expected Behavior: The API should respond correctly to the request without errors.

Actual Behavior: I received a 500 Internal Server Error with the message: "'AgentFinish' object is not subscriptable."

Additional Context: I have verified that the API key is correct.