From 86dadac4213b9f5d50adb640dbbaa25856dfa3a2 Mon Sep 17 00:00:00 2001
From: Jens Kleineheismann <heinzel@alpenverein-karlsruhe.de>
Date: Thu, 10 Apr 2025 15:08:29 +0200
Subject: [PATCH] Fixed workflow for django 4

---
 dav_events/workflow.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dav_events/workflow.py b/dav_events/workflow.py
index 8ead414..515ed77 100644
--- a/dav_events/workflow.py
+++ b/dav_events/workflow.py
@@ -264,6 +264,9 @@ class BasicWorkflow(object):
         status_list = []
         self._check_status()
 
+        if not event.id:
+            return status_list
+
         heaviest_flag = event.flags.order_by('status').last()
         if heaviest_flag:
             flags = []