Hello Looking to the list of packages still not supporting python 3.5: https://qa-reports.gentoo.org/output/gpyutils/34-to-35.txt
and considering that we should even start testing python 3.6, I think it would be nice if we could make portage to warn when PYTHON_COMPAT value is not updated. It's really frustrating to still see new ebuilds being added with obsolete values for PYTHON_COMPAT and relying on a few people looking to update this. This is also causing huge delays to migrate to newer python versions and I think it's responsibility of the maintainer to ensure his/her package is supported on newer versions or, at least, have a bug and ping upstream for the cases they need further fixing. Of course, this wouldn't be a fatal check preventing you from committing a package with outdated PYTHON_COMPAT, it would be a warning to remind you to update it as soon as possible. Any issues on trying to go further into implementing this warning? Thanks a lot
