anchor.diff:  { stdenv
  -, pythonPackages
  +, python3Packages
   , fetchurl
   , gettext
   , gobject-introspection
  
positive.code: , libnotify
  }:
  
  pythonPackages.buildPythonApplication rec {
    pname = "bleachbit";
    version = "3.2.0";
  
    format = "other";
  
    src = fetchurl {
      url = "mirror://sourceforge/${pname}/${pname}-${version}.tar.bz2";
      sha256 = "1sszpn7ifiry0wwmkzdppzh61zvgrfypm9g7wk6q1ya20qhb5b51";
    };
  
    nativeBuildInputs = [
  
negative.code:     libnotify
    ];
  
    propagatedBuildInputs = with python3Packages; [
      chardet
      pygobject3
      requests
  