fix(closes OPEN-8569): handle missing active trace and improve error logging in LiteLLM integration #569
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Pull Request
Summary
Fix context loss issue in LiteLLM streaming traces when generators are partially consumed or run in ASGI worker threads.
Changes
contextvars.Contextinlitellm_tracer.pyusingcopy_context()andcaptured_context.run()for trace finalizationloggerduring Python interpreter shutdown in streamingfinallyblockContext
When using LiteLLM streaming with FastAPI/Starlette, traces showed "Processing..." and
nulloutput. Root cause:contextvarsdon't propagate when generators are consumed in different threads (viaanyio.to_thread). The fix captures context at generator creation and restores it when finalizing the trace.Testing