Introduce ContentTypeChoiceField

netbox/ipam/models/vlans.py

@@ -35,9 +35,7 @@ class VLANGroup(OrganizationalModel):
     scope_type = models.ForeignKey(
         to=ContentType,
         on_delete=models.CASCADE,
-        limit_choices_to=Q(
-            model__in=['region', 'sitegroup', 'site', 'location', 'rack', 'clustergroup', 'cluster']
-        ),
+        limit_choices_to=Q(model__in=VLANGROUP_SCOPE_TYPES),
         blank=True,
         null=True
     )