fix(llama-index): handle non-dict case when parsing ChatCompletion usage#840
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fix(llama-index): handle non-dict case when parsing ChatCompletion usage#840
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…#824) Co-authored-by: Hassieb Pakzad <68423100+hassiebp@users.noreply.github.com>
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PR Summary
This PR addresses an important issue in the LlamaIndex integration for Langfuse, specifically in handling usage parsing for different LLM response formats.
- Modified
_parse_usage_from_event_payloadinlangfuse/llama_index/llama_index.pyto handle non-dictresponse.rawcases - Added a check to determine if
response.rawis a dict, usingmodel_dump()if not - Ensures correct extraction of usage information for various LLM response structures
- Improves robustness of the LlamaIndex callback handler for different LLM implementations
- Consider adding or updating tests in
tests/test_llama_index.pyto cover this new case
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