Maxim Cournoyer schreef op zo 15-05-2022 om 00:36 [-0400]: > -(define-public pepr > -  (package > -    (name "pepr") > -    (version "1.0.9") > -    (source (origin > -              (method url-fetch) > -              (uri (pypi-uri "PePr" version)) > -              (sha256 > -               (base32 > -                "0qxjfdpl1b1y53nccws2d85f6k74zwmx8y8sd9rszcqhfayx6gdx")))) > -    (build-system python-build-system) > -    (arguments > -     `(#:python ,python-2 ; python2 only Looking at and , it appears that Python2->3 issues have been fixed. At least, those that the maintainer is aware of. The latest version apparently is 1.1.24 , although it does not have a tag. According to the ‘latest commit ...’ text on GitHub, this version number appears in commit . So maybe updating 'pepr' would be sufficient? Greetings, Maxime.