diff --git a/pkgs/by-name/po/poetry/plugins/poetry-plugin-shell.nix b/pkgs/by-name/po/poetry/plugins/poetry-plugin-shell.nix
index 68526526ce86..a3eb42a24dc9 100644
--- a/pkgs/by-name/po/poetry/plugins/poetry-plugin-shell.nix
+++ b/pkgs/by-name/po/poetry/plugins/poetry-plugin-shell.nix
@@ -2,6 +2,7 @@
   buildPythonPackage,
   fetchFromGitHub,
   lib,
+  stdenv,
   pexpect,
   poetry,
   poetry-core,
@@ -9,6 +10,7 @@
   pytest-xdist,
   pytestCheckHook,
   shellingham,
+  darwin,
 }:
 
 buildPythonPackage rec {
@@ -34,11 +36,15 @@ buildPythonPackage rec {
     shellingham
   ];
 
-  nativeCheckInputs = [
-    pytest-mock
-    pytest-xdist
-    pytestCheckHook
-  ];
+  nativeCheckInputs =
+    [
+      pytest-mock
+      pytest-xdist
+      pytestCheckHook
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [
+      darwin.ps
+    ];
 
   meta = {
     changelog = "https://github.com/python-poetry/poetry-plugin-shell/blob/${src.tag}/CHANGELOG.md";
diff --git a/pkgs/by-name/po/poetry/unwrapped.nix b/pkgs/by-name/po/poetry/unwrapped.nix
index ba26b7d54be0..f3146cea2e61 100644
--- a/pkgs/by-name/po/poetry/unwrapped.nix
+++ b/pkgs/by-name/po/poetry/unwrapped.nix
@@ -32,7 +32,6 @@
   httpretty,
   pytest-mock,
   pytest-xdist,
-  darwin,
 }:
 
 buildPythonPackage rec {
@@ -110,17 +109,13 @@ buildPythonPackage rec {
       --zsh <($out/bin/poetry completions zsh) \
   '';
 
-  nativeCheckInputs =
-    [
-      deepdiff
-      pytestCheckHook
-      httpretty
-      pytest-mock
-      pytest-xdist
-    ]
-    ++ lib.optionals stdenv.hostPlatform.isDarwin [
-      darwin.ps
-    ];
+  nativeCheckInputs = [
+    deepdiff
+    pytestCheckHook
+    httpretty
+    pytest-mock
+    pytest-xdist
+  ];
 
   preCheck = (
     ''