diff --git a/pkgs/development/interpreters/python/default.nix b/pkgs/development/interpreters/python/default.nix
index ac04c2f04903..6d3c677397d2 100644
--- a/pkgs/development/interpreters/python/default.nix
+++ b/pkgs/development/interpreters/python/default.nix
@@ -1,4 +1,4 @@
-{ pkgs
+{ __splicedPackages
 , callPackage
 , config
 , darwin
@@ -159,7 +159,7 @@
 in {
 
   python27 = callPackage ./cpython/2.7 {
-    self = pkgs.python27;
+    self = __splicedPackages.python27;
     sourceVersion = {
       major = "2";
       minor = "7";
@@ -172,7 +172,7 @@ in {
   };
 
   python37 = callPackage ./cpython {
-    self = pkgs.python37;
+    self = __splicedPackages.python37;
     sourceVersion = {
       major = "3";
       minor = "7";
@@ -185,7 +185,7 @@ in {
   };
 
   python38 = callPackage ./cpython {
-    self = pkgs.python38;
+    self = __splicedPackages.python38;
     sourceVersion = {
       major = "3";
       minor = "8";
@@ -198,19 +198,19 @@ in {
   };
 
   python39 = callPackage ./cpython ({
-    self = pkgs.python39;
+    self = __splicedPackages.python39;
     inherit (darwin) configd;
     inherit passthruFun;
   } // sources.python39);
 
   python310 = callPackage ./cpython ({
-    self = pkgs.python310;
+    self = __splicedPackages.python310;
     inherit (darwin) configd;
     inherit passthruFun;
   } // sources.python310);
 
   python311 = callPackage ./cpython {
-    self = pkgs.python311;
+    self = __splicedPackages.python311;
     sourceVersion = {
       major = "3";
       minor = "11";
@@ -224,7 +224,7 @@ in {
 
   # Minimal versions of Python (built without optional dependencies)
   python3Minimal = (callPackage ./cpython ({
-    self = pkgs.python3Minimal;
+    self = __splicedPackages.python3Minimal;
     inherit passthruFun;
     pythonAttr = "python3Minimal";
     # strip down that python version as much as possible
@@ -253,7 +253,7 @@ in {
   });
 
   pypy27 = callPackage ./pypy {
-    self = pkgs.pypy27;
+    self = __splicedPackages.pypy27;
     sourceVersion = {
       major = "7";
       minor = "3";
@@ -262,14 +262,14 @@ in {
     sha256 = "sha256-wERP2YcwWMHA2Z4TqTTpIoXLBZksmWi/Ujwyv5vsCp0=";
     pythonVersion = "2.7";
     db = db.override { dbmSupport = !stdenv.isDarwin; };
-    python = pkgs.python27;
+    python = __splicedPackages.python27;
     inherit passthruFun;
     inherit (darwin) libunwind;
     inherit (darwin.apple_sdk.frameworks) Security;
   };
 
   pypy38 = callPackage ./pypy {
-    self = pkgs.pypy38;
+    self = __splicedPackages.pypy38;
     sourceVersion = {
       major = "7";
       minor = "3";
@@ -278,20 +278,20 @@ in {
     sha256 = "sha256-Ia4zn09QFtbKcwAwXz47VUNzg1yzw5qQQf4w5oEcgMY=";
     pythonVersion = "3.8";
     db = db.override { dbmSupport = !stdenv.isDarwin; };
-    python = pkgs.python27;
+    python = __splicedPackages.python27;
     inherit passthruFun;
     inherit (darwin) libunwind;
     inherit (darwin.apple_sdk.frameworks) Security;
   };
-  pypy37 = pkgs.pypy38.override {
-    self = pkgs.pythonInterpreters.pypy37;
+  pypy37 = __splicedPackages.pypy38.override {
+    self = __splicedPackages.pythonInterpreters.pypy37;
     pythonVersion = "3.7";
     sha256 = "sha256-LtAqyecQhZxBvILer7CGGXkruaJ+6qFnbHQe3t0hTdc=";
   };
 
   pypy27_prebuilt = callPackage ./pypy/prebuilt_2_7.nix {
     # Not included at top-level
-    self = pkgs.pythonInterpreters.pypy27_prebuilt;
+    self = __splicedPackages.pythonInterpreters.pypy27_prebuilt;
     sourceVersion = {
       major = "7";
       minor = "3";
@@ -304,7 +304,7 @@ in {
 
   pypy38_prebuilt = callPackage ./pypy/prebuilt.nix {
     # Not included at top-level
-    self = pkgs.pythonInterpreters.pypy38_prebuilt;
+    self = __splicedPackages.pythonInterpreters.pypy38_prebuilt;
     sourceVersion = {
       major = "7";
       minor = "3";