diff --git a/pkgs/development/python-modules/pyqtgraph/default.nix b/pkgs/development/python-modules/pyqtgraph/default.nix
index 6ee92d850f6e..f28ffe84b751 100644
--- a/pkgs/development/python-modules/pyqtgraph/default.nix
+++ b/pkgs/development/python-modules/pyqtgraph/default.nix
@@ -30,6 +30,7 @@ buildPythonPackage (finalAttrs: {
   pname = "pyqtgraph";
   version = "0.14.0";
   pyproject = true;
+  __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "pyqtgraph";
diff --git a/pkgs/development/python-modules/test2ref/default.nix b/pkgs/development/python-modules/test2ref/default.nix
index 4401694c22e6..5c4945b4d84f 100644
--- a/pkgs/development/python-modules/test2ref/default.nix
+++ b/pkgs/development/python-modules/test2ref/default.nix
@@ -2,22 +2,29 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+
+  # build-system
   pdm-backend,
+
+  # dependencies
   binaryornot,
+
+  # tests
   pytest-cov-stub,
   pytestCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "test2ref";
-  version = "1.1.1";
+  version = "1.2.3";
   pyproject = true;
+  __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "nbiotcloud";
     repo = "test2ref";
-    tag = "v${version}";
-    hash = "sha256-Lo0rXKpiXGZle6X2f2Zofc/ihzAqruDyKNP4wp2jqv4=";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-20vE6o8yKphKxlfGo+lBZ1VlKyCVlNawlMYVcj4JAtY=";
   };
 
   build-system = [
@@ -35,11 +42,19 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
+  disabledTests = [
+    # AssertionError:
+    #   Only in /build/pytest-of-nixbld/pytest-0/test_known0/ref: file0.txt
+    #   Only in /build/pytest-of-nixbld/pytest-0/test_known0/ref: sub0
+    # Reported upstream: https://github.com/nbiotcloud/test2ref/issues/36
+    "test_known"
+  ];
+
   meta = {
     description = "Testing Against Learned Reference Data";
     homepage = "https://github.com/nbiotcloud/test2ref";
-    changelog = "https://github.com/nbiotcloud/test2ref/releases/tag/${src.tag}";
+    changelog = "https://github.com/nbiotcloud/test2ref/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ GaetanLepage ];
   };
-}
+})