From 44f173f01dc896bb83825f155016dd0282330dd9 Mon Sep 17 00:00:00 2001
From: bctiemann <btiemann@netboxlabs.com>
Date: Fri, 15 Aug 2025 14:34:21 -0400
Subject: [PATCH] Fixes: #20098 - Handle empty object_types field in Tag bulk
 import (#20099)

---
 netbox/utilities/forms/fields/csv.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/netbox/utilities/forms/fields/csv.py b/netbox/utilities/forms/fields/csv.py
index 0b33a1985..45428521c 100644
--- a/netbox/utilities/forms/fields/csv.py
+++ b/netbox/utilities/forms/fields/csv.py
@@ -114,6 +114,8 @@ class CSVMultipleContentTypeField(forms.ModelMultipleChoiceField):
 
     # TODO: Improve validation of selected ContentTypes
     def prepare_value(self, value):
+        if not value:
+            return None
         if type(value) is str:
             ct_filter = Q()
             for name in value.split(','):