From 4089b1591b9dbf06163781b5beecb1aa33f11d2e Mon Sep 17 00:00:00 2001
From: Brian Gow <briangow@mit.edu>
Date: Mon, 12 Jan 2026 11:25:52 -0500
Subject: [PATCH] fix flaky test

---
 .github/workflows/test.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a0e9bbd5..d20ca8a7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -31,6 +31,8 @@ jobs:
         if: startsWith(matrix.os, 'ubuntu')
         run: sudo apt-get install -y libsndfile1
       - name: Run tests
+        env:
+          MPLBACKEND: Agg
         run: uv run --with ${{ matrix.numpy }} --extra dev pytest
 
   test-deb11-i386: