<<< packages_pkgcheck_scan >>> DistutilsNonPEP517Build: version 3.4-r1: uses deprecated non-PEP517 build mode, please switch to DISTUTILS_USE_PEP517=... RequiredUseDefaults: version 3.4-r1: profile: 'default/linux/amd64/17.1' (68 total) failed REQUIRED_USE: python_targets_python3_9