From 1c06d241f00adb31943d71c654abe33aa4347326 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marta=20Marczykowska-G=C3=B3recka?=
 <marta.maria.gorecka@gmail.com>
Date: Mon, 11 Mar 2019 22:02:32 +0100
Subject: [PATCH] Fix bug with fixed bug in VM Settings

fixes QubesOS/qubes-issues#4866
---
 qubesmanager/settings.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qubesmanager/settings.py b/qubesmanager/settings.py
index 8fb88769..9be8256f 100755
--- a/qubesmanager/settings.py
+++ b/qubesmanager/settings.py
@@ -855,7 +855,7 @@ def update_pv_warning(self):
     def update_virt_mode_list(self):
         choices = ['HVM', 'PV']
 
-        if self.dev_list:
+        if hasattr(self, "dev_list"):
             devs_attached = self.dev_list.selected_list.count() != 0
         else:
             devs_attached = bool(list(self.vm.devices['pci'].persistent()))