<<< packages_pkgcheck_scan >>> DistutilsNonPEP517Build: version 3.4.6: uses deprecated non-PEP517 build mode, please switch to DISTUTILS_USE_PEP517=... DistutilsNonPEP517Build: version 3.5.0: uses deprecated non-PEP517 build mode, please switch to DISTUTILS_USE_PEP517=... DistutilsNonPEP517Build: version 3.6.0: uses deprecated non-PEP517 build mode, please switch to DISTUTILS_USE_PEP517=...