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fix(core): prevent premature tool_call parsing on empty SSE args #35634

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Giulio Leone (giulio-leone) wants to merge 3 commits into
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fix(core): prevent premature tool_call parsing on empty SSE args #35634

style: ruff format test_ai.py
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CodSpeed HQ / CodSpeed Performance Analysis failed Mar 9, 2026

Performance Regression: -10.56%

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

❌ 1 regressed benchmark
✅ 12 untouched benchmarks
⏩ 23 skipped benchmarks1

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
❌ WallTime test_import_time[InMemoryVectorStore] 637.1 ms 712.3 ms -10.56%

Comparing giulio-leone:fix/streaming-tool-call-empty-args-35514 (19355f7) with master (527fc02)

Open in CodSpeed

Footnotes

  1. 23 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

View more details on CodSpeed HQ