DistutilsNonPEP517Build: version 2.11.3: uses deprecated non-PEP517 build mode, please switch to DISTUTILS_USE_PEP517=...
  RedirectedUrl: version 2.11.3-r1: HOMEPAGE: permanently redirected: https://dot2tex.readthedocs.org/ -> https://dot2tex.readthedocs.io/