anchor.diff:  
     meta = with lib; {
       description = "Google Photos and Albums backup with Google Photos Library API";
  -    homepage    = "https://github.com/gilesknap/gphotos-sync";
  -    license     = licenses.mit;
  +    homepage = "https://github.com/gilesknap/gphotos-sync";
  +    license = licenses.mit;
       maintainers = with maintainers; [ dnr ];
     };
   }
  
positive.code: { lib, fetchFromGitHub, python3Packages, ffmpeg }:
  
  python3Packages.buildPythonApplication rec {
    pname = "gphotos-sync";
  
negative.code:     exif
      psutil
      pyyaml
      requests-oauthlib
    ];
  
    buildInputs = [
      ffmpeg
    ];
  
    checkInputs = with python3Packages; [
      pytestCheckHook
  