Set default input/output in Langfuse integration #3563
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hey @dougzor can you add a test here - |
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We hit a scenario in our production system when getting a Prompt from the langfuse API where the Prompt didn't exist:
langfuse.api.resources.commons.errors.not_found_error.NotFoundError: status_code: 404, body: {'message': "No production-labeled prompt found with name <prompt_name_redacted> in project <project_id_redacted>, 'error': 'LangfuseNotFoundError'}which then caused
UnboundLocalError: cannot access local variable 'output' where it is not associated with a value print_verbose(f"OUTPUT IN LANGFUSE: {output}; original: {response_obj}") File "/app/.venv/lib/python3.12/site-packages/litellm/integrations/langfuse.py", line 149, in log_eventThis PR at least attempts to set a sensible default so that an error like this cannot happen.