@@ -1,12 +1,9 @@
 with import <nixpkgs> {};
 mkShell {
   venvDir = ".venv";
-  buildInputs = with python3.pkgs; [
+  buildInputs = [
     haskellPackages.pandoc
-    weasyprint
-    venvShellHook
+    (python310.withPackages (p: with p; [ weasyprint mkdocs ]))
+    python310Packages.venvShellHook
   ];
-  postShellHook = ''
-    pip install mkdocs-with-pdf
-  '';
 }