anchor.diff:  { stdenv, fetchFromGitHub, python3, gettext, gobject-introspection, wrapGAppsHook, glibcLocales
  -, gtk3, keybinder3, libnotify, libutempter, vte }:
  +, gtk3, keybinder3, libnotify, libutempter, vte, libwnck3 }:
   
   let
  -  version = "3.5.0";
  +  version = "3.6.3";
   in python3.pkgs.buildPythonApplication rec {
     name = "guake-${version}";
     format = "other";
  
positive.code: 
    buildInputs = [ gtk3 keybinder3 libnotify python3 vte ];
  
    propagatedBuildInputs = with python3.pkgs; [ dbus-python pbr pycairo pygobject3 ];
  
    LC_ALL = "en_US.UTF-8"; # fixes weird encoding error, see https://github.com/NixOS/nixpkgs/pull/38642#issuecomment-379727699
  
  
negative.code:     owner = "Guake";
      repo = "guake";
      rev = version;
      sha256 = "13ipnmqcyixpa6qv83m0f91za4kar14s5jpib68b32z65x1h0j3b";
    };
  
    # Strict deps breaks guake
  