1 files changed, 2 insertions, 0 deletions
diff --git a/testing/util.py b/testing/util.py
index 283ed47..0dd1784 100644
--- a/testing/util.py
+++ b/testing/util.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import contextlib
 import os.path
 import subprocess