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Hi, I am very interested in your work and thank you for open sourcing the code. When I run Basic Usage according to readme.md. The error is reported as shown in the figure


After debugging, I found that chunk.choices in llm_client.py may have a value with a length of 0, but there is no judgment in the code, so I added a judgment condition. Now the code can output the answer like in Basic Usage.
However, I haven’t seen any contribution specifications. If my code is not written in a standardized way, please let me know. Thank you.