Features: 1) N/A;

Fixes: 1) Remove unused migration file `0037_alter_vendor_b2b_auth_token`; 2) Update `b2b_auth_token` field in `Vendor` model to remove uniqueness constraint;

Extra: 1) Add explicit return type annotation to `Vendor.save` method.

core/migrations/0037_alter_vendor_b2b_auth_token.py

@@ -1,25 +0,0 @@
-# Generated by Django 5.2 on 2025-07-28 08:55
-
-import core.utils
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ("core", "0036_vendor_b2b_auth_token_vendor_users"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="vendor",
-            name="b2b_auth_token",
-            field=models.CharField(
-                blank=True,
-                default=core.utils.generate_human_readable_token,
-                max_length=20,
-                null=True,
-                unique=True,
-            ),
-        ),
-    ]

core/models.py

@@ -166,12 +166,12 @@ class Vendor(ExportModelOperationsMixin("vendor"), NiceModel):  # type: ignore [
         unique=True,
     )
     users = ManyToManyField(to="vibes_auth.User", related_name="vendors", blank=True)
-    b2b_auth_token = CharField(default=generate_human_readable_token, max_length=20, unique=True, null=True, blank=True)
+    b2b_auth_token = CharField(default=generate_human_readable_token, max_length=20, null=True, blank=True)
 
     def __str__(self) -> str:
         return self.name
 
-    def save(self, **kwargs):
+    def save(self, **kwargs) -> Self:
         users = self.users.filter(is_active=True)
         users = users.exclude(attributes__icontains="is_business")
         if users.count() > 0: