From 1e7fdbc79ab07015e2b097e6a86a9c7b76b22cc2 Mon Sep 17 00:00:00 2001
From: zmoody <zmoody@digitalocean.com>
Date: Tue, 5 Jun 2018 10:26:33 -0500
Subject: [PATCH] Fixes #2143 - PUTs to Site Endpoint Requires Value for
 time_zone

Allow null values for `time_zone` field in the writeable serializer for the sites endpoint.
---
 netbox/dcim/api/serializers.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/netbox/dcim/api/serializers.py b/netbox/dcim/api/serializers.py
index e37354d47..988a2d59f 100644
--- a/netbox/dcim/api/serializers.py
+++ b/netbox/dcim/api/serializers.py
@@ -80,7 +80,7 @@ class NestedSiteSerializer(serializers.ModelSerializer):
 
 
 class WritableSiteSerializer(CustomFieldModelSerializer):
-    time_zone = TimeZoneField(required=False)
+    time_zone = TimeZoneField(required=False, allow_null=True)
 
     class Meta:
         model = Site