From af5aa233bb01c83310a459ce3575b9a7e890077c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marta=20Marczykowska-G=C3=B3recka?=
 <marta.maria.gorecka@gmail.com>
Date: Mon, 16 Jul 2018 17:35:35 +0200
Subject: [PATCH] Fixed incorrect kernel display in VM settings

Kernel set to 'None' was incorrectly displayed as 'default'.

fixes QubesOS/qubes-issues#4043
---
 qubesmanager/utils.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/qubesmanager/utils.py b/qubesmanager/utils.py
index 5b40f5f..f0937aa 100644
--- a/qubesmanager/utils.py
+++ b/qubesmanager/utils.py
@@ -60,6 +60,8 @@ def prepare_choice(widget, holder, propname, choice, default,
             oldvalue = qubesadmin.DEFAULT
         else:
             oldvalue = getattr(holder, propname)
+            if oldvalue == '':
+                oldvalue = None
             if transform is not None and oldvalue is not None:
                 oldvalue = transform(oldvalue)
     else: