Fix invalid build-backend in pyproject.toml (#9)#10
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Replace non-existent 'setuptools.backends._legacy:_Backend' with the standard 'setuptools.build_meta' backend. Add regression tests to verify the build-backend is correct and importable. Co-authored-by: Cursor <cursoragent@cursor.com>
williamtrevis99
approved these changes
Feb 20, 2026
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Replace non-existent 'setuptools.backends._legacy:_Backend' with the standard 'setuptools.build_meta' backend. Add regression tests to verify the build-backend is correct and importable.
Note
Low Risk
Changes are limited to build metadata and a small regression test; no runtime/library behavior is modified.
Overview
Fixes packaging configuration by replacing the invalid
build-system.build-backendvalue inpyproject.tomlwith the standardsetuptools.build_meta.Adds
tests/test_packaging.pyto parsepyproject.tomland assert the backend is exactlysetuptools.build_meta, importable, and thatbuild-system.requiresincludessetuptools, preventing future regressions.Written by Cursor Bugbot for commit 9ea6546. This will update automatically on new commits. Configure here.