Add missing __str__ methods to the models

greg/admin.py

@@ -135,12 +135,20 @@ class OrganizationalUnitInline(admin.TabularInline):
 
 
 class SponsorAdmin(VersionAdmin):
-    list_display = ("id", "feide_id")
+    list_display = ("id", "feide_id", "first_name", "last_name")
     inlines = (OrganizationalUnitInline,)
     readonly_fields = ("id", "created", "updated")
 
 
 class SponsorOrganizationalUnitAdmin(VersionAdmin):
+    list_display = (
+        "id",
+        "sponsor",
+        "organizational_unit",
+        "hierarchical_access",
+        "source",
+        "automatic",
+    )
     readonly_fields = ("id", "created", "updated")