anchor.diff:      license = licenses.gpl2;
       homepage = https://pwr.github.io/Solaar/;
       platforms = platforms.linux;
  -    maintainers = [maintainers.spinus maintainers.ysndr];
  +    maintainers = with maintainers; [ spinus ysndr ];
     };
   }
  
positive.code: {fetchFromGitHub, stdenv, gtk3, pythonPackages, gobject-introspection}:
  pythonPackages.buildPythonApplication rec {
    pname = "solaar-unstable";
    version = "2019-01-30";
  
  
negative.code:       --prefix PYTHONPATH : "$PYTHONPATH" \
        --prefix GI_TYPELIB_PATH : "$GI_TYPELIB_PATH"
  
      install -Dm644 -t $out/etc/udev/rules.d rules.d/*.rules
    '';
  
    enableParallelBuilding = true;
  
    meta = with lib; {
      description = "Linux devices manager for the Logitech Unifying Receiver";
      longDescription = ''
        Solaar is a Linux device manager for Logitech’s Unifying Receiver
  