Allow allowed_scopes field to be blank

aleksis/core/migrations/0026_oauthapplication_allowed_scopes.py

@@ -14,6 +14,6 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='oauthapplication',
             name='allowed_scopes',
-            field=django.contrib.postgres.fields.ArrayField(base_field=models.CharField(max_length=32), null=True, size=None, verbose_name='Allowed scopes that clients can request'),
+            field=django.contrib.postgres.fields.ArrayField(base_field=models.CharField(max_length=32), blank=True, null=True, size=None, verbose_name='Allowed scopes that clients can request'),
         ),
     ]

aleksis/core/models.py

@@ -1118,6 +1118,7 @@ class OAuthApplication(AbstractApplication):
         models.CharField(max_length=32),
         verbose_name=_("Allowed scopes that clients can request"),
         null=True,
+        blank=True,
     )
 
     def allows_grant_type(self, *grant_types: set[str]) -> bool: