diff --git a/pkgs/development/python-modules/primer3/default.nix b/pkgs/development/python-modules/primer3/default.nix
index 20c40c2eee43..6e59073f1c13 100644
--- a/pkgs/development/python-modules/primer3/default.nix
+++ b/pkgs/development/python-modules/primer3/default.nix
@@ -8,21 +8,18 @@
   fetchFromGitHub,
   gcc,
   pytestCheckHook,
-  pythonOlder,
   setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "primer3";
   version = "2.2.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.7";
-
   src = fetchFromGitHub {
     owner = "libnano";
     repo = "primer3-py";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-GrVYYjS/+LZScZETfk7YcSy2yrWc3SPumXvyQeEpFUg=";
   };
 
@@ -37,6 +34,7 @@ buildPythonPackage rec {
     click
     pytestCheckHook
   ];
+
   # We are not sure why exactly this is need. It seems `pytestCheckHook`
   # doesn't find extension modules installed in $out/${python.sitePackages},
   # and the tests rely upon them. This was initially reported upstream at
@@ -51,8 +49,8 @@ buildPythonPackage rec {
   meta = {
     description = "Oligo analysis and primer design";
     homepage = "https://github.com/libnano/primer3-py";
-    changelog = "https://github.com/libnano/primer3-py/blob/${src.tag}/CHANGES";
+    changelog = "https://github.com/libnano/primer3-py/blob/${finalAttrs.src.tag}/CHANGES";
     license = lib.licenses.gpl2Only;
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})
diff --git a/pkgs/development/python-modules/weasyprint/default.nix b/pkgs/development/python-modules/weasyprint/default.nix
index 2e34422404f8..5db33be5ab0b 100644
--- a/pkgs/development/python-modules/weasyprint/default.nix
+++ b/pkgs/development/python-modules/weasyprint/default.nix
@@ -30,7 +30,7 @@
   writableTmpDirAsHomeHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "weasyprint";
   version = "66.0";
   pyproject = true;
@@ -40,7 +40,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "Kozea";
     repo = "WeasyPrint";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-wmEDVEbikBpOQ5394IBPWQRjWZOLfMzEGxTtq4tt2Tw=";
   };
 
@@ -97,21 +97,23 @@ buildPythonPackage rec {
     "test_visibility_3"
     "test_visibility_4"
     "test_woff_simple"
+    # AssertionError
+    "test_2d_transform"
   ];
 
   FONTCONFIG_FILE = "${fontconfig.out}/etc/fonts/fonts.conf";
 
   # Set env variable explicitly for Darwin, but allow overriding when invoking directly
-  makeWrapperArgs = [ "--set-default FONTCONFIG_FILE ${FONTCONFIG_FILE}" ];
+  makeWrapperArgs = [ "--set-default FONTCONFIG_FILE ${finalAttrs.FONTCONFIG_FILE}" ];
 
   pythonImportsCheck = [ "weasyprint" ];
 
   meta = {
-    changelog = "https://github.com/Kozea/WeasyPrint/releases/tag/${src.tag}";
+    changelog = "https://github.com/Kozea/WeasyPrint/releases/tag/${finalAttrs.src.tag}";
     description = "Converts web documents to PDF";
-    mainProgram = "weasyprint";
     homepage = "https://weasyprint.org/";
     license = lib.licenses.bsd3;
+    mainProgram = "weasyprint";
     teams = [ lib.teams.apm ];
   };
-}
+})