···11-{ stdenv, pythonPackages, fetchFromGitHub }:
11+{ stdenv, python3, fetchFromGitHub }:
2233-with pythonPackages; buildPythonApplication rec {
33+with python3.pkgs; buildPythonApplication rec {
44 version = "3.0"; # When updating to 3.1, make sure to remove the marked line in preCheck
55 name = "buku-${version}";
66