anchor.diff:      inotifyrecursive
       joblib
       langdetect
  +    pkgs.libmysqlclient
       lxml
       msgpack
       numpy
  
positive.code: in
  python.pkgs.pythonPackages.buildPythonApplication rec {
    pname = "paperless-ngx";
    version = "1.8.0";
  
    # Fetch the release tarball instead of a git ref because it contains the prebuilt fontend
    src = fetchurl {
      url = "https://github.com/paperless-ngx/paperless-ngx/releases/download/v${version}/${pname}-v${version}.tar.xz";
      hash = "sha256-BLfhh04RvBJFRQiPXkMl8XlWqZOWKmjjl+6lZ326stU=";
    };
  
    format = "other";
  
negative.code:         src = fetchFromGitHub {
            owner = "paperless-ngx";
            repo = "django-q";
            hash = "sha256-alu7tZwUn77xhUF9c/aGmwRwO//mR/FucXjvXUl/6ek=";
            rev = "8b5289d8caf36f67fb99448e76ead20d5b498c1b";
          };
          # due to paperless-ngx modification of the pyproject.toml file
          # the patch is not needed any more
          patches = [ ];
        });
  
        aioredis = super.aioredis.overridePythonAttrs (oldAttrs: rec {
  