#10407 feat: Use lazy imports in the Meltano CLI (Python 3.15+) Pull request opened by edgarrmondragon Description $ hyperfine \ --warmup 3 --min-runs 20 \ -n "No Lazy" --prepare 'uv venv -c -p 3.14 .venv && uv pip install --python .venv/bin/python .' ".venv/bin/meltano --help" \ -n "Lazy" --prepare 'uv venv -c -p 3.15 .venv && uv pip install --python .venv/bin/python .' ".venv/bin/meltano --help" Benchmark 1: No Lazy (20 runs) mean ± σ min … max Wall Time [s] 5.183 ± 0.238 4.859 … 5.731 Memory [MiB] 115.5 ± 3.5 106.6 … 120.6 Benchmark 2: Lazy (20 runs) mean ± σ min … max Wall Time [s] 4.234 ± 0.163 3.969 … 4.508 -18.3% Memory [MiB] 107.1 ± 3.3 101.5 … 112.8 -7.3% Checklist • I have read the contribution guide Was generative AI tooling used to co-author this PR? No Related Issues • Closes #XXXX Summary by Sourcery Improve Meltano CLI startup performance by enabling lazy imports on Python 3.15 and newer. New Features: • Enable lazy loading of CLI and supporting modules on Python 3.15+ to reduce startup resource usage. Enhancements: • Apply lazy-import configuration across Meltano CLI commands and utilities. • Update state command tests to resolve lazy imports before autospeccing and verify the returned state service. meltano/meltano