diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0181cfece49b..f7fc18ff3d08 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5308,11 +5308,13 @@ let
   # regardless.
   python26Packages = import ./python-packages.nix {
     inherit pkgs;
+    inherit (lib) lowPrio;
     python = python26;
   };
 
   python27Packages = recurseIntoAttrs (import ./python-packages.nix {
     inherit pkgs;
+    inherit (lib) lowPrio;
     python = python27;
   });
 
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index b5d3f5037418..b6b519496f99 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1,4 +1,4 @@
-{ pkgs, python }:
+{ pkgs, python, lowPrio }:
 
 let
 isPy26 = python.majorVersion == "2.6";
@@ -53,6 +53,14 @@ pythonPackages = python.modules // rec {
     inherit buildPythonPackage pythonPackages;
   };
 
+  ipythonLight = lowPrio (import ../shells/ipython {
+    inherit (pkgs) stdenv fetchurl;
+    inherit buildPythonPackage pythonPackages;
+    qtconsoleSupport = false;
+    pylabSupport = false;
+    pylabQtSupport = false;
+  });
+
   pil = import ../development/python-modules/pil {
     inherit (pkgs) fetchurl stdenv libjpeg zlib freetype;
     inherit python buildPythonPackage;