MAINT: Drop Python 3.7/3.8 from CI matrix#240
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lifelib, installed from its GitHub main branch for the export tests, dropped Python 3.7/3.8 support in v0.13.0 (requires Python >= 3.9). On 3.7/3.8 pip can no longer resolve the requirements: it backtracks to ancient numpy/pandas sdists that fail to build with modern setuptools, so the Install dependencies step fails before tests run. Both versions have reached end of life. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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What
Removes Python 3.7 and 3.8 (and their paired networkx versions 2.4/2.5) from the CI test matrix, along with the per-OS excludes that only applied to them.
Why
The 3.7/3.8 jobs now fail in the "Install dependencies" step, before any tests run.
requirements-travis.txtinstalls lifelib from its GitHub main branch, and lifelib v0.13.0 (June 28) dropped Python 3.7/3.8 support (python_requires >= 3.9). On those interpreters pip can no longer resolve the requirement set: it backtracks numpy down to 1.16.x sdists on 3.8 (ModuleNotFoundError: No module named 'distutils.msvccompiler') and an old pandas sdist on 3.7 (invalid metadata for modern setuptools).Both versions are past end of life (3.7 since June 2023, 3.8 since October 2024). This continues the cleanup started in 0f39301, which excluded Python 3.8 on macos-latest.
Notes for review
python_requires, trove classifiers in setup.py), that can be a follow-up.🤖 Generated with Claude Code