From a74d809fc28f51497f0dabf395466b16547923b1 Mon Sep 17 00:00:00 2001
From: Joe Rogers <1337joe@users.noreply.github.com>
Date: Fri, 9 Jan 2026 20:44:22 -0500
Subject: [PATCH] Fix Schema Nullables (#11092)

* Add missing nullable annotations

* bump API version
---
 src/backend/InvenTree/InvenTree/api_version.py | 5 ++++-
 src/backend/InvenTree/build/serializers.py     | 6 +++++-
 src/backend/InvenTree/common/serializers.py    | 4 +++-
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/backend/InvenTree/InvenTree/api_version.py b/src/backend/InvenTree/InvenTree/api_version.py
index 4b7efd3e8b..85f6e6b86b 100644
--- a/src/backend/InvenTree/InvenTree/api_version.py
+++ b/src/backend/InvenTree/InvenTree/api_version.py
@@ -1,11 +1,14 @@
 """InvenTree API version information."""
 
 # InvenTree API version
-INVENTREE_API_VERSION = 438
+INVENTREE_API_VERSION = 439
 """Increment this API version number whenever there is a significant change to the API that any clients need to know about."""
 
 INVENTREE_API_TEXT = """
 
+v439 -> 2026-01-09 : https://github.com/inventree/InvenTree/pull/11092
+    - Add missing nullable annotations
+
 v438 -> 2026-01-09 : https://github.com/inventree/InvenTree/pull/11104
     - Adds a simpler / faster health check endpoint at /api/system/health/
 
diff --git a/src/backend/InvenTree/build/serializers.py b/src/backend/InvenTree/build/serializers.py
index b13d5fdf17..641fd2eb12 100644
--- a/src/backend/InvenTree/build/serializers.py
+++ b/src/backend/InvenTree/build/serializers.py
@@ -1378,7 +1378,9 @@ class BuildLineSerializer(
     )
 
     allocations = enable_filter(
-        BuildItemSerializer(many=True, read_only=True, build_detail=False),
+        BuildItemSerializer(
+            many=True, read_only=True, allow_null=True, build_detail=False
+        ),
         True,
         prefetch_fields=[
             'allocations',
@@ -1426,6 +1428,7 @@ class BuildLineSerializer(
             source='bom_item',
             many=False,
             read_only=True,
+            allow_null=True,
             pricing=False,
             substitutes=False,
             sub_part_detail=False,
@@ -1455,6 +1458,7 @@ class BuildLineSerializer(
             source='bom_item.sub_part',
             many=False,
             read_only=True,
+            allow_null=True,
             pricing=False,
         ),
         False,
diff --git a/src/backend/InvenTree/common/serializers.py b/src/backend/InvenTree/common/serializers.py
index d2fee07132..c5fa490497 100644
--- a/src/backend/InvenTree/common/serializers.py
+++ b/src/backend/InvenTree/common/serializers.py
@@ -808,7 +808,9 @@ class ParameterSerializer(
     )
 
     updated_by_detail = enable_filter(
-        UserSerializer(source='updated_by', read_only=True, many=False),
+        UserSerializer(
+            source='updated_by', read_only=True, allow_null=True, many=False
+        ),
         True,
         prefetch_fields=['updated_by'],
     )