Bump mypy from 1.19.1 to 1.20.0 #76
Merged
CodSpeed HQ / CodSpeed Performance Analysis
failed
Apr 7, 2026 in 0s
Performance Regression: -16.12%
⚠️ 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 improved benchmark
❌ 2 regressed benchmarks
✅ 57 untouched benchmarks
⏩ 16 skipped benchmarks1
⚠️ Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | WallTime | test_process_4_files_parallel_4_threads |
99.1 ms | 112.3 ms | -11.7% |
| ⚡ | WallTime | test_parallel_read_with_extract_4x_1k |
89.1 ms | 77.4 ms | +15.1% |
| ❌ | WallTime | test_pipeline_parallel_4x_10k_threaded |
88.6 ms | 105.6 ms | -16.12% |
Comparing dependabot/uv/mypy-1.20.0 (c07ac9b) with main (70fbd19)
Footnotes
-
16 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. ↩
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