DistutilsNonPEP517Build: version 3.1.1-r2: uses deprecated non-PEP517 build mode, please switch to DISTUTILS_USE_PEP517=...
  RedirectedUrl: version 3.1.1-r2: SRC_URI: permanently redirected: https://downloads.sourceforge.net/audiotools/audiotools-3.1.1.tar.gz -> https://downloads.sourceforge.net/project/audiotools/audiotools/3.1.1/audiotools-3.1.1.tar.gz