From 58a788e78885b57747251455e1b5354087ba369a Mon Sep 17 00:00:00 2001
From: qbisi <qbisicwate@gmail.com>
Date: Sun, 13 Apr 2025 22:37:27 +0800
Subject: [PATCH 1/2] python312Packages.mpi4py: remove unnecessary
 __darwinAllowLocalNetworking

---
 pkgs/development/python-modules/mpi4py/default.nix | 2 --
 1 file changed, 2 deletions(-)

diff --git a/pkgs/development/python-modules/mpi4py/default.nix b/pkgs/development/python-modules/mpi4py/default.nix
index 13b538f12fa1..05208b24abda 100644
--- a/pkgs/development/python-modules/mpi4py/default.nix
+++ b/pkgs/development/python-modules/mpi4py/default.nix
@@ -36,8 +36,6 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "mpi4py" ];
 
-  __darwinAllowLocalNetworking = true;
-
   nativeCheckInputs = [
     pytestCheckHook
     mpiCheckPhaseHook

From fdf3ff025124e116f9e9f81f6833091b5ae718e4 Mon Sep 17 00:00:00 2001
From: Doron Behar <doron.behar@gmail.com>
Date: Mon, 14 Apr 2025 13:59:14 +0300
Subject: [PATCH 2/2] python312Packages.mpi4py: disable failing tests with
 mpich

---
 pkgs/development/python-modules/mpi4py/default.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/development/python-modules/mpi4py/default.nix b/pkgs/development/python-modules/mpi4py/default.nix
index 05208b24abda..5e1eecd4421a 100644
--- a/pkgs/development/python-modules/mpi4py/default.nix
+++ b/pkgs/development/python-modules/mpi4py/default.nix
@@ -40,6 +40,14 @@ buildPythonPackage rec {
     pytestCheckHook
     mpiCheckPhaseHook
   ];
+  disabledTestPaths = lib.optionals (mpi.pname == "mpich") [
+    # These tests from some reason cause pytest to crash, and therefor it is
+    # hard to debug them. Upstream mentions these tests to raise issues in
+    # https://github.com/mpi4py/mpi4py/issues/418  but the workaround suggested
+    # there (setting MPI4PY_RC_RECV_MPROBE=0) doesn't work.
+    "test/test_util_pool.py"
+    "demo/futures/test_futures.py"
+  ];
 
   passthru = {
     inherit mpi;