From 9e9636e7de8e70c844feb0f14160868f2f1d4a1a Mon Sep 17 00:00:00 2001
From: Haoyu Yang <yanghaoyu97@outlook.com>
Date: Wed, 4 Dec 2024 13:53:26 +0800
Subject: [PATCH] use non interactive backend

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

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2f91df8..dd78b0e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -26,6 +26,7 @@ jobs:
     env:
       PMG_MAPI_KEY: ${{ secrets.PMG_MAPI_KEY }}
       PMG_VASP_PSP_DIR: "${{ github.workspace }}/psp"
+      MPLBACKEND: Agg  # non-interactive backend for matplotlib
 
     steps:
       - name: Check out repo