From 84b68b839ac30ae7129ac0e750cea1fd3a7263dd Mon Sep 17 00:00:00 2001
From: Peder Bergebakken Sundt <pbsds@hotmail.com>
Date: Fri, 8 Nov 2024 15:59:35 +0100
Subject: [PATCH] python312Packages.tskit: relax numpy build-time constraint,
 unbreak

---
 pkgs/development/python-modules/tskit/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/python-modules/tskit/default.nix b/pkgs/development/python-modules/tskit/default.nix
index 775284b8990b..e91fba90dc77 100644
--- a/pkgs/development/python-modules/tskit/default.nix
+++ b/pkgs/development/python-modules/tskit/default.nix
@@ -21,6 +21,12 @@ buildPythonPackage rec {
     hash = "sha256-Wq7ar96w5hdAyKMMvK4zjYln74RmX1l/VhvS++CN+Xk=";
   };
 
+  postPatch = ''
+    # build-time constriant, used to ensure forward and backward compat
+    substituteInPlace pyproject.toml \
+      --replace-fail "numpy>=2.0" "numpy"
+  '';
+
   build-system = [ setuptools ];
 
   dependencies = [