From 0170e2b1e63431f88317f3584a2c6079842fbc34 Mon Sep 17 00:00:00 2001
From: SNoiraud <serge.noiraud@laposte.net>
Date: Wed, 5 Apr 2023 18:41:27 +0200
Subject: [PATCH] Crash when invalid event date

---
 gramps/gui/views/treemodels/eventmodel.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gramps/gui/views/treemodels/eventmodel.py b/gramps/gui/views/treemodels/eventmodel.py
index bdd1c57e5..a6c0a7849 100644
--- a/gramps/gui/views/treemodels/eventmodel.py
+++ b/gramps/gui/views/treemodels/eventmodel.py
@@ -160,6 +160,8 @@ class EventModel(FlatBaseModel):
             date_str = get_date(event)
             if date_str != "":
                 retval = escape(date_str)
+            else:
+                retval = ""
             if not get_date_valid(event):
                 return INVALID_DATE_FORMAT % retval
             else: