Bug fix for recent SupplierPart API annotation (#3336)

InvenTree/company/serializers.py

@@ -284,7 +284,7 @@ class SupplierPartSerializer(InvenTreeModelSerializer):
         """
 
         queryset = queryset.annotate(
-            in_stock=part.filters.annotate_total_stock(reference='part__')
+            in_stock=part.filters.annotate_total_stock()
         )
 
         return queryset

InvenTree/stock/migrations/0078_alter_stockitem_supplier_part.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.2.14 on 2022-07-15 07:49
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('company', '0046_alter_company_image'),
+        ('stock', '0077_alter_stockitem_notes'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='stockitem',
+            name='supplier_part',
+            field=models.ForeignKey(blank=True, help_text='Select a matching supplier part for this stock item', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='stock_items', to='company.supplierpart', verbose_name='Supplier Part'),
+        ),
+    ]

InvenTree/stock/models.py

@@ -598,7 +598,8 @@ class StockItem(MetadataMixin, MPTTModel):
     supplier_part = models.ForeignKey(
         'company.SupplierPart', blank=True, null=True, on_delete=models.SET_NULL,
         verbose_name=_('Supplier Part'),
-        help_text=_('Select a matching supplier part for this stock item')
+        help_text=_('Select a matching supplier part for this stock item'),
+        related_name='stock_items',
     )
 
     # Note: When a StockLocation is deleted, stock items are updated via a signal