DistutilsNonPEP517Build: version 0.6.0-r2: uses deprecated non-PEP517 build mode, please switch to DISTUTILS_USE_PEP517=...
  EmptyGlobalAssignment: version 0.6.0-r2: line 23: empty global assignment: IUSE=""
  HttpsUrlAvailable: version 0.6.0-r3: HOMEPAGE: HTTPS url available: http://arminstraub.com/software/krop -> https://arminstraub.com/software/krop