From 79d6df1b098820b33b0c8595c3020460be7a139b Mon Sep 17 00:00:00 2001
From: Ben Gamari <ben@smart-cactus.org>
Date: Mon, 9 Jan 2023 18:36:50 -0500
Subject: [PATCH] vtk: Don't open-code python.sitePackages

As suggested by @SuperSandro2000 in #208522.
---
 pkgs/development/libraries/vtk/generic.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/vtk/generic.nix b/pkgs/development/libraries/vtk/generic.nix
index 327e848d89ee..235202284bcb 100644
--- a/pkgs/development/libraries/vtk/generic.nix
+++ b/pkgs/development/libraries/vtk/generic.nix
@@ -92,7 +92,7 @@ in stdenv.mkDerivation rec {
   postInstall = optionalString enablePython ''
     substitute \
       ${./vtk.egg-info} \
-      $out/lib/python${python.pythonVersion}/site-packages/vtk-${version}.egg-info \
+      $out/${python.sitePackages}/vtk-${version}.egg-info \
       --subst-var-by VTK_VER "${version}"
   '';