From 03a1fef71da2b5b285f6d0231ede6015881705e9 Mon Sep 17 00:00:00 2001
From: Marcin Serwin <marcin@serwin.dev>
Date: Sat, 17 May 2025 11:24:15 +0200
Subject: [PATCH] python3Packages.gymnasium: explicitly use dummy videodriver
 in checkPhase

Signed-off-by: Marcin Serwin <marcin@serwin.dev>
---
 pkgs/development/python-modules/gymnasium/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/python-modules/gymnasium/default.nix b/pkgs/development/python-modules/gymnasium/default.nix
index c98c3d7cb119..e2a18f356ce8 100644
--- a/pkgs/development/python-modules/gymnasium/default.nix
+++ b/pkgs/development/python-modules/gymnasium/default.nix
@@ -89,6 +89,10 @@ buildPythonPackage rec {
     "tests/wrappers/test_record_video.py"
   ];
 
+  preCheck = ''
+    export SDL_VIDEODRIVER=dummy
+  '';
+
   disabledTests = [
     # Fails since jax 0.6.0
     # Fixed on master https://github.com/Farama-Foundation/Gymnasium/commit/94019feee1a0f945b9569cddf62780f4e1a224a5