Fix eval

bjornfor · bjornfor · commit f557aa49fb9d · 2017-09-17T09:41:28.000+02:00
$ nix-env -f . -qa '*' --meta --xml --drv-path --show-trace error: while querying the derivation named ‘python2.7-rpkg-1.50’: attribute ‘gpl2plus’ missing, at .../pkgs/development/python-modules/rpkg/default.nix:24:15 Introduced by commit c29a721 ("rpkg: 1.14 -> 1.50").
diff --git a/pkgs/development/python-modules/rpkg/default.nix b/pkgs/development/python-modules/rpkg/default.nix
@@ -21,7 +21,7 @@ buildPythonPackage rec {
   meta = with stdenv.lib; {
     description = "Python library for dealing with rpm packaging";
     homepage = https://pagure.io/fedpkg;
-    license = licenses.gpl2plus;
+    license = licenses.gpl2Plus;
     maintainers = with maintainers; [ mornfall ];
   };
 
