Add missing future import

DavidMStraub · DavidMStraub · commit c5f21a4901a3 · 2025-06-02T21:46:11.000+02:00
diff --git a/gedcom7/util.py b/gedcom7/util.py
@@ -1,5 +1,7 @@
 """Utility functions for GEDCOM 7 processing."""
 
+from __future__ import annotations
+
 import datetime
 
 from . import const, types
