From 55c4454994078b5eccdd6230e483cfc6118de2b0 Mon Sep 17 00:00:00 2001
From: Sigmanificient <edhyjox@gmail.com>
Date: Thu, 19 Mar 2026 22:56:06 +0100
Subject: [PATCH] python3Packages.slh-dsa: fix build

---
 pkgs/development/python-modules/slh-dsa/default.nix | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/slh-dsa/default.nix b/pkgs/development/python-modules/slh-dsa/default.nix
index e6da84504c60..37fdd6ff9bf5 100644
--- a/pkgs/development/python-modules/slh-dsa/default.nix
+++ b/pkgs/development/python-modules/slh-dsa/default.nix
@@ -2,7 +2,7 @@
   lib,
   buildPythonPackage,
   fetchPypi,
-  pdm-backend,
+  setuptools,
 }:
 
 buildPythonPackage rec {
@@ -16,7 +16,12 @@ buildPythonPackage rec {
     hash = "sha256-p4eWMVayOFiEjFtlnsmmtH6HMfcIeYIpgdfjuB4mmAY=";
   };
 
-  build-system = [ pdm-backend ];
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace-fail '"mypy>=1.10.1",' ""
+  '';
+
+  build-system = [ setuptools ];
 
   pythonImportsCheck = [ "slhdsa" ];