Merge pull request #916 from SchrodingersGat/null-customer

StockItem: Allow customer field to be blank

InvenTree/stock/migrations/0049_auto_20200820_0454.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.0.7 on 2020-08-20 04:54
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('company', '0023_auto_20200808_0715'),
+        ('stock', '0048_auto_20200807_2344'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='stockitem',
+            name='customer',
+            field=models.ForeignKey(blank=True, help_text='Customer', limit_choices_to={'is_customer': True}, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='assigned_stock', to='company.Company', verbose_name='Customer'),
+        ),
+    ]

InvenTree/stock/models.py

@@ -348,7 +348,7 @@ class StockItem(MPTTModel):
     customer = models.ForeignKey(
         CompanyModels.Company,
         on_delete=models.SET_NULL,
-        null=True,
+        null=True, blank=True,
         limit_choices_to={'is_customer': True},
         related_name='assigned_stock',
         help_text=_("Customer"),