anchor.diff:  , pango
   , gdk-pixbuf
   , gobject-introspection
  +, xvfb_run
   }:
   
   python3Packages.buildPythonApplication rec {
     pname = "gtg";
  -  version = "unstable-2020-09-16";
  +  version = "unstable-2020-10-22";
   
     src = fetchFromGitHub {
       owner = "getting-things-gnome";
       repo = "gtg";
  -    rev = "1be991c6d7f7b2e4b8ac16f82e8a07f9dce4272f";
  -    sha256 = "1f5acpjwnp08c78dds7xm22qjzcfnx2qs121yvm3rswkh27s4n23";
  +    rev = "144814c16723fa9d00e17e047df5d79ab443fc5f";
  +    sha256 = "1lpanfbj8y8b6cqp92lgbvfs8irrc5bsdffzcjcycazv19qm7z2n";
     };
   
   
  
positive.code:     pycairo
      pygobject3
      lxml
      dbus-python
      gst-python
      liblarch
    ];
  
negative.code:   checkInputs = with python3Packages; [
      nose
      mock
      xvfb_run
    ];
  
    format = "other";
    strictDeps = false; # gobject-introspection does not run with strictDeps (https://github.com/NixOS/nixpkgs/issues/56943)
  
    checkPhase = "xvfb-run python3 ../run-tests";
  
    meta = with stdenv.lib; {
      description = " A personal tasks and TODO-list items organizer";
  