diff --git a/pkgs/development/python-modules/jsonable/default.nix b/pkgs/development/python-modules/jsonable/default.nix
index eabd310cb763..705087674adb 100644
--- a/pkgs/development/python-modules/jsonable/default.nix
+++ b/pkgs/development/python-modules/jsonable/default.nix
@@ -1,8 +1,8 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
-, pytestCheckHook
 , nose
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
@@ -16,9 +16,10 @@ buildPythonPackage rec {
     hash = "sha256-3FIzG2djSZOPDdoYeKqs3obQjgHrFtyp0sdBwZakkHA=";
   };
 
-  nativeCheckInputs = [ pytestCheckHook ];
-
-  checkInputs = [ nose ];
+  nativeCheckInputs = [
+    nose
+    pytestCheckHook
+  ];
 
   pythonImportsCheck = [ "jsonable" ];
 
diff --git a/pkgs/development/python-modules/mwtypes/default.nix b/pkgs/development/python-modules/mwtypes/default.nix
index 13e617599129..89e693dda89a 100644
--- a/pkgs/development/python-modules/mwtypes/default.nix
+++ b/pkgs/development/python-modules/mwtypes/default.nix
@@ -2,8 +2,8 @@
 , buildPythonPackage
 , fetchPypi
 , jsonable
-, pytestCheckHook
 , nose
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
@@ -17,9 +17,10 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ jsonable ];
 
-  nativeCheckInputs = [ pytestCheckHook ];
-
-  checkInputs = [ nose ];
+  nativeCheckInputs = [
+    nose
+    pytestCheckHook
+  ];
 
   disabledTests = [
     "test_normalize_path_bad_extension"
diff --git a/pkgs/development/python-modules/mwxml/default.nix b/pkgs/development/python-modules/mwxml/default.nix
index 5c66e2269163..792b52f01abc 100644
--- a/pkgs/development/python-modules/mwxml/default.nix
+++ b/pkgs/development/python-modules/mwxml/default.nix
@@ -4,8 +4,8 @@
 , jsonschema
 , mwcli
 , mwtypes
-, pytestCheckHook
 , nose
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
@@ -23,9 +23,10 @@ buildPythonPackage rec {
     mwtypes
   ];
 
-  nativeCheckInputs = [ pytestCheckHook ];
-
-  checkInputs = [ nose ];
+  nativeCheckInputs = [
+    nose
+    pytestCheckHook
+  ];
 
   disabledTests = [
     "test_page_with_discussion"
diff --git a/pkgs/development/python-modules/para/default.nix b/pkgs/development/python-modules/para/default.nix
index af46ab30fd23..e1f3f828120f 100644
--- a/pkgs/development/python-modules/para/default.nix
+++ b/pkgs/development/python-modules/para/default.nix
@@ -1,8 +1,8 @@
 { lib
 , buildPythonPackage
 , fetchPypi
-, pytestCheckHook
 , nose
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
@@ -14,9 +14,10 @@ buildPythonPackage rec {
     hash = "sha256-RsMjKunY6p2IbP0IzdESiSICvthkX0C2JVWXukz+8hc=";
   };
 
-  nativeCheckInputs = [ pytestCheckHook ];
-
-  checkInputs = [ nose ];
+  nativeCheckInputs = [
+    nose
+    pytestCheckHook
+  ];
 
   pythonImportsCheck = [ "para" ];