From 5262156e1a1679adf8c6e971a92b1e291a012dd7 Mon Sep 17 00:00:00 2001
From: Jeremy Stretch <jstretch@digitalocean.com>
Date: Fri, 19 Jan 2018 10:30:26 -0500
Subject: [PATCH] Fixes #1818: InventoryItem API serializer no longer requires
 specifying a null value for items with no parent

---
 netbox/dcim/api/serializers.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/netbox/dcim/api/serializers.py b/netbox/dcim/api/serializers.py
index 8f6b3ada8..5204e6a0e 100644
--- a/netbox/dcim/api/serializers.py
+++ b/netbox/dcim/api/serializers.py
@@ -733,6 +733,8 @@ class InventoryItemSerializer(serializers.ModelSerializer):
 
 
 class WritableInventoryItemSerializer(ValidatedModelSerializer):
+    # Provide a default value to satisfy UniqueTogetherValidator
+    parent = serializers.PrimaryKeyRelatedField(queryset=InventoryItem.objects.all(), allow_null=True, default=None)
 
     class Meta:
         model = InventoryItem