final: prev: {
  development.python-modules.openrazer = prev.development.python-modules.openrazer.overrideAttrs (old: {
    version = "master";
    src = prev.fetchFromGitHub {
      owner = "openrazer";
      repo = "openrazer";
      rev = "master";
      hash = "sha256-5e677b178be7da08fb72d7cd0791bf68a129fcc5";
  };
  });
}