diff --git a/pkgs/development/python-modules/fastapi-mcp/default.nix b/pkgs/development/python-modules/fastapi-mcp/default.nix
index 844ba0f6de2d..bc9c51e8f0d3 100644
--- a/pkgs/development/python-modules/fastapi-mcp/default.nix
+++ b/pkgs/development/python-modules/fastapi-mcp/default.nix
@@ -20,7 +20,7 @@
 
   # tests
   coverage,
-  pytest-asyncio,
+  pytest-asyncio_0,
   pytest-cov-stub,
   pytestCheckHook,
 }:
@@ -59,7 +59,7 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [
     coverage
-    pytest-asyncio
+    pytest-asyncio_0
     pytest-cov-stub
     pytestCheckHook
   ];
diff --git a/pkgs/development/python-modules/skops/default.nix b/pkgs/development/python-modules/skops/default.nix
index 4356e4fe4983..ed6cf8b9c555 100644
--- a/pkgs/development/python-modules/skops/default.nix
+++ b/pkgs/development/python-modules/skops/default.nix
@@ -1,16 +1,21 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
   fetchFromGitHub,
-  pythonOlder,
   hatchling,
-  pytestCheckHook,
-  pytest-cov-stub,
   huggingface-hub,
   matplotlib,
+  numpy,
+  packaging,
   pandas,
+  prettytable,
+  pytest-cov-stub,
+  pytestCheckHook,
+  pythonOlder,
+  pyyaml,
+  rich,
   scikit-learn,
-  stdenv,
   streamlit,
   tabulate,
 }:
@@ -30,7 +35,9 @@ buildPythonPackage rec {
   build-system = [ hatchling ];
 
   dependencies = [
-    huggingface-hub
+    numpy
+    packaging
+    prettytable
     scikit-learn
     tabulate
   ];
@@ -38,19 +45,26 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     matplotlib
     pandas
-    pytestCheckHook
     pytest-cov-stub
+    pytestCheckHook
+    pyyaml
     streamlit
   ];
+
+  optional-dependencies = {
+    rich = [ rich ];
+  };
+
   enabledTestPaths = [ "skops" ];
+
   disabledTests = [
     # flaky
     "test_base_case_works_as_expected"
+    # fairlearn is not available in nixpkgs
+    "TestAddFairlearnMetricFrame"
   ];
+
   disabledTestPaths = [
-    # try to download data from Huggingface Hub:
-    "skops/hub_utils/tests"
-    "skops/card/tests"
     # minor output formatting issue
     "skops/card/_model_card.py"
   ]
@@ -58,19 +72,21 @@ buildPythonPackage rec {
     # Segfaults on darwin
     "skops/io/tests/test_persist.py"
   ];
+
   pytestFlags = [
     # Warning from scipy.optimize in skops/io/tests/test_persist.py::test_dump_and_load_with_file_wrapper
     # https://github.com/skops-dev/skops/issues/479
     "-Wignore::DeprecationWarning"
   ];
+
   pythonImportsCheck = [ "skops" ];
 
   meta = {
     description = "Library for saving/loading, sharing, and deploying scikit-learn based models";
-    mainProgram = "skops";
     homepage = "https://skops.readthedocs.io/en/stable";
     changelog = "https://github.com/skops-dev/skops/releases/tag/${src.tag}";
     license = lib.licenses.mit;
     maintainers = [ lib.maintainers.bcdarwin ];
+    mainProgram = "skops";
   };
 }