From 163265b511d23a894ff97e4ee76efc6d36ab4ef5 Mon Sep 17 00:00:00 2001
From: "Jack S. Hale" <mail@jackhale.co.uk>
Date: Thu, 19 Sep 2024 07:46:56 +0200
Subject: [PATCH] Update windows.yml

---
 .github/workflows/windows.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 5a200a081a1..d3d599d56a7 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -142,7 +142,7 @@ jobs:
         working-directory: dolfinx
         run: |
           pip install pytest-xdist
-          python -m pytest -n auto -m "not petsc4py and not adios2" python/test/unit
+          mpiexec -n 1 python -m pytest -m "not petsc4py and not adios2" python/test/unit
       - name: Run units tests (Python, MPI, np=3)
         working-directory: dolfinx
         run: |