diff --git a/awx/api/views/__init__.py b/awx/api/views/__init__.py
index 703358be51..736da69785 100644
--- a/awx/api/views/__init__.py
+++ b/awx/api/views/__init__.py
@@ -1681,8 +1681,8 @@ class CredentialTypeExternalTest(SubDetailAPIView):
             return Response({'inputs': message}, status=status.HTTP_400_BAD_REQUEST)
         except Exception as exc:
             message = exc.__class__.__name__
-            args = getattr(exc, 'args', [])
-            for a in args:
+            args_exc = getattr(exc, 'args', [])
+            for a in args_exc:
                 if isinstance(getattr(a, 'reason', None), ConnectTimeoutError):
                     message = str(a.reason)
             return Response({'inputs': message}, status=status.HTTP_400_BAD_REQUEST)