Hi Rebecca, Yes, we have been trying to resolve this issue, but unfortunately it is related to internal Fortran state inside of SciPy's ARPACK implementation.
The problem is annoying: it means that successive normalized cut segmentations do not give results that are bit-for-bit the same. However, since the resulting segmentations are all correct (as much as a segmentation can be), it should not be highly impactful. I'm sorry that I don't have a better answer for now. I think easiest would be for Debian to temporarily disable that test until we can come up with a systematic fix. Either we work around it in skimage, or we wait for a new SciPy release which replaces ARPACK, where the problem occurs. Ongoing conversation at: https://github.com/scikit-image/scikit-image/pull/7684 Best regards, Stéfan On Mon, Apr 21, 2025, at 13:16, Rebecca N. Palmer wrote: > This has failed twice on reproducible-builds, and started failing > between 2025-02-23 and 2025-04-20: > https://tests.reproducible-builds.org/debian/rb-pkg/unstable/arm64/skimage.html > No other architectures have been tried since 2025-03-26, so we don't > actually know whether it's arm64-specific. > > The same test passes in the autopkgtest.