From cb95cdc6ce5ddbe813ae78787fa36002cf422c8c Mon Sep 17 00:00:00 2001
From: Martin Gross <gross@rami.io>
Date: Tue, 18 Jun 2024 16:24:39 +0200
Subject: [PATCH] item_forms: Allow signals to return None (#4237)

Co-authored-by: Richard Schreiber <schreiber@rami.io>
---
 src/pretix/control/views/item.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/pretix/control/views/item.py b/src/pretix/control/views/item.py
index 7732805ac..0b708310b 100644
--- a/src/pretix/control/views/item.py
+++ b/src/pretix/control/views/item.py
@@ -1323,6 +1323,8 @@ class ItemUpdateGeneral(ItemDetailMixin, EventPermissionRequiredMixin, MetaDataE
     def plugin_forms(self):
         forms = []
         for rec, resp in item_forms.send(sender=self.request.event, item=self.item, request=self.request):
+            if not resp:
+                continue
             if isinstance(resp, (list, tuple)):
                 forms.extend(resp)
             else: