From e4d45548b4aab765d44e0be313d8dbc0eada07eb Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Sat, 16 May 2026 09:57:07 +0200
Subject: [PATCH] python3Packages.zope-testing: relax setuptools constraint

---
 pkgs/development/python-modules/zope-testing/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/python-modules/zope-testing/default.nix b/pkgs/development/python-modules/zope-testing/default.nix
index 79764e7fed27..d0a68e9b7b24 100644
--- a/pkgs/development/python-modules/zope-testing/default.nix
+++ b/pkgs/development/python-modules/zope-testing/default.nix
@@ -19,6 +19,11 @@ buildPythonPackage rec {
     hash = "sha256-dAUiG8DxlhQKMBXh49P0CDC9UjqAYjB+2vVCTI36cgc=";
   };
 
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace-fail "setuptools >= 78.1.1,< 81" setuptools
+  '';
+
   build-system = [ setuptools ];
 
   doCheck = !isPyPy;