Add meta class

aleksis/core/models.py

@@ -530,10 +530,19 @@ class GlobalPermissions(ExtensibleModel):
 class SitePreferenceModel(PerInstancePreferenceModel):
     instance = models.ForeignKey(Site, on_delete=models.CASCADE)
 
+    class Meta:
+        app_label = "core"
+
 
 class PersonPreferenceModel(PerInstancePreferenceModel):
     instance = models.ForeignKey(Person, on_delete=models.CASCADE)
 
+    class Meta:
+        app_label = "core"
+
 
 class GroupPreferenceModel(PerInstancePreferenceModel):
     instance = models.ForeignKey(Group, on_delete=models.CASCADE)
+
+    class Meta:
+        app_label = "core"

aleksis/core/urls.py

@@ -21,9 +21,6 @@ urlpatterns = [
     path("admin/", admin.site.urls),
     path("data_management/", views.data_management, name="data_management"),
     path("status/", views.system_status, name="system_status"),
-    path("school_management", views.school_management, name="school_management"),
-    path("school/information/edit", views.edit_school, name="edit_school_information"),
-    path("school/term/edit", views.edit_schoolterm, name="edit_school_term"),
     path("", include(tf_urls)),
     path("accounts/logout/", auth_views.LogoutView.as_view(), name="logout"),
     path("persons", views.persons, name="persons"),