diff --git a/pkgs/development/interpreters/python/hooks/default.nix b/pkgs/development/interpreters/python/hooks/default.nix
index bd29d493ebb8c..a653ada4837d4 100644
--- a/pkgs/development/interpreters/python/hooks/default.nix
+++ b/pkgs/development/interpreters/python/hooks/default.nix
@@ -1,9 +1,9 @@
-self: super: with self;
+self: dontUse: with self;
 
 let
-  pythonInterpreter = super.python.pythonForBuild.interpreter;
-  pythonSitePackages = super.python.sitePackages;
-  pythonCheckInterpreter = super.python.interpreter;
+  pythonInterpreter = python.pythonForBuild.interpreter;
+  pythonSitePackages = python.sitePackages;
+  pythonCheckInterpreter = python.interpreter;
   setuppy = ../run_setup.py;
 in {
   makePythonHook = args: pkgs.makeSetupHook ({passthru.provides.setupHook = true; } // args);
diff --git a/pkgs/development/interpreters/python/passthrufun.nix b/pkgs/development/interpreters/python/passthrufun.nix
index aa63f354e085d..b73885b5e29e1 100644
--- a/pkgs/development/interpreters/python/passthrufun.nix
+++ b/pkgs/development/interpreters/python/passthrufun.nix
@@ -47,12 +47,13 @@
         selfTargetTarget = pythonOnTargetForTarget.pkgs or {}; # There is no Python TargetTarget.
       };
       hooks = import ./hooks/default.nix;
-      keep = lib.extends hooks pythonPackagesFun;
+      keep = self: hooks self {};
       extra = _: {};
       optionalExtensions = cond: as: lib.optionals cond as;
       pythonExtension = import ../../../top-level/python-packages.nix;
       python2Extension = import ../../../top-level/python2-packages.nix;
       extensions = lib.composeManyExtensions ([
+        hooks
         pythonExtension
       ] ++ (optionalExtensions (!self.isPy3k) [
         python2Extension
@@ -64,7 +65,7 @@
       otherSplices
       keep
       extra
-      (lib.extends (lib.composeExtensions aliases extensions) keep))
+      (lib.extends (lib.composeExtensions aliases extensions) pythonPackagesFun))
     {
       overrides = packageOverrides;
       python = self;