Features: 1) Add migration to enforce unique constraint on Attribute model for fields name, group, and value_type;

Fixes: 1) Remove redundant traceback logging in `core/vendors/__init__.py`;

Extra: 1) Update Attribute model's `unique_together` to include `value_type`.

core/migrations/0047_alter_attribute_unique_together.py

@@ -0,0 +1,16 @@
+# Generated by Django 5.2 on 2025-10-18 21:16
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("core", "0046_alter_attribute_name_alter_attribute_name_ar_ar_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name="attribute",
+            unique_together={("name", "group", "value_type")},
+        ),
+    ]

core/models.py

@@ -667,6 +667,7 @@ class Attribute(ExportModelOperationsMixin("attribute"), NiceModel):  # type: ig
         unique_together = (
             "name",
             "group",
+            "value_type",
         )
         verbose_name = _("attribute")
         verbose_name_plural = _("attributes")

core/vendors/__init__.py

@@ -451,7 +451,6 @@ class AbstractVendor:
             attribute.save()
         except IntegrityError:
             async_logger.warning(f"IntegrityError while processing attribute {key!r}...")
-            async_logger.warning(traceback.format_exc())
             return
 
         attribute.save()