From f7c660572ea1b629f6d98b1a253f6fb93cf9b6d2 Mon Sep 17 00:00:00 2001
From: Arthur <worldnomad@gmail.com>
Date: Wed, 5 Oct 2022 15:15:14 -0700
Subject: [PATCH] 9478 fix tests

---
 netbox/utilities/testing/api.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/netbox/utilities/testing/api.py b/netbox/utilities/testing/api.py
index f75fb1efd..fab0e4db5 100644
--- a/netbox/utilities/testing/api.py
+++ b/netbox/utilities/testing/api.py
@@ -1,3 +1,4 @@
+import inspect
 import json
 
 from django.conf import settings
@@ -449,7 +450,7 @@ class APIViewTestCases:
                 if type(field) is GQLDynamic:
                     # Dynamic fields must specify a subselection
                     fields_string += f'{field_name} {{ id }}\n'
-                elif type(field.type) is GQLList and issubclass(field.type.of_type, GQLUnion):
+                elif type(field.type) is GQLList and inspect.isclass(field.type.of_type) and issubclass(field.type.of_type, GQLUnion):
                     continue
                 elif type(field.type) is GQLList and field_name != 'choices':
                     # TODO: Come up with something more elegant