{ final, prev, flakes, }: with prev.lib; let inherit (final) callPackage fetchpatch; in { override = {# add python modules here to make them available in all versions } // ( let makePyOverrides = version: let name = "python3${toString version}"; in { inherit name; value = prev.${name}.override { packageOverrides = nextPy: prevPy: { }; }; }; pyVersionRange' = start: end: let next = end + 1; in if prev ? "python3${toString next}" then pyVersionRange' start next else range start end; pyVersionRange = start: pyVersionRange' start start; in listToAttrs (map makePyOverrides (pyVersionRange 9)) ); }