diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7e178763fa22..db781114dc62 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3562,17 +3562,26 @@ let
     llvm = llvm_33 ;
   };
 
+  python = python2;
+  python2 = python27;
+  python3 = python34;
+
+  # pythonPackages further below, but assigned here because they need to be in sync
+  pythonPackages = python2Packages;
+  python2Packages = python27Packages;
+  python3Packages = python34Packages;
+
+  pythonFull = python2Full;
+  python2Full = python27Full;
+
   python26 = callPackage ../development/interpreters/python/2.6 { db = db47; };
   python27 = callPackage ../development/interpreters/python/2.7 { };
   python32 = callPackage ../development/interpreters/python/3.2 { };
   python33 = callPackage ../development/interpreters/python/3.3 { };
   python34 = hiPrio (callPackage ../development/interpreters/python/3.4 { });
-  python = python27;
-  python3 = python3Packages.python;
 
   pypy = callPackage ../development/interpreters/pypy/2.3 { };
 
-  pythonFull = python27Full;
   python26Full = callPackage ../development/interpreters/python/wrapper.nix {
     extraLibs = [];
     postBuild = "";
@@ -6527,8 +6536,6 @@ let
   # python function with default python interpreter
   buildPythonPackage = pythonPackages.buildPythonPackage;
 
-  pythonPackages = python27Packages;
-
   # `nix-env -i python-nose` installs for 2.7, the default python.
   # Therefore we do not recurse into attributes here, in contrast to
   # python27Packages. `nix-env -iA python26Packages.nose` works
@@ -6538,7 +6545,15 @@ let
     python = python26;
   };
 
-  python3Packages = python34Packages;
+  python27Packages = lib.hiPrioSet (recurseIntoAttrs (import ./python-packages.nix {
+    inherit pkgs;
+    python = python27;
+  }));
+
+  python32Packages = import ./python-packages.nix {
+    inherit pkgs;
+    python = python32;
+  };
 
   python33Packages = recurseIntoAttrs (import ./python-packages.nix {
     inherit pkgs;
@@ -6550,16 +6565,6 @@ let
     python = python34;
   });
 
-  python32Packages = import ./python-packages.nix {
-    inherit pkgs;
-    python = python32;
-  };
-
-  python27Packages = lib.hiPrioSet (recurseIntoAttrs (import ./python-packages.nix {
-    inherit pkgs;
-    python = python27;
-  }));
-
   pypyPackages = recurseIntoAttrs (import ./python-packages.nix {
     inherit pkgs;
     python = pypy;