Trying to emerge sage from sage-on-gentoo overlay fails before starting any package installation with ValueError. Reproducible: Always Steps to Reproduce: 1. prepare sage-on-gentoo overlay 2. emerge sage Actual Results: These are the packages that would be merged, in order: Calculating dependencies... done! Traceback (most recent call last): ... ValueError: 'python_single_target_python2_7' flag is not in IUSE and is not an alias of any flag in IUSE of 'sci-mathematics/sage-notebook-0.10.2-r3::sage-on-gentoo' Expected Results: Emerge sage and related packages. I have an x86 virtual machine and do not have this problem on it. I haven't experienced the same error with any other packages in the prefix tree.
Created attachment 333362 [details] emerge --info
Created attachment 333364 [details] traceback
isn't this a problem of the ebuild/eclass in the sage overlay?
Prefix Portage should be updated. See bug #446666.
it got bumped today, so chances are it is fixed in the latest version then?
Yup. I updated portage to 2.2.01.21476, and it works fine.
thanks