From 92859697c5e89e73759d51a15d432ffeb5b4cde1 Mon Sep 17 00:00:00 2001
From: fieldOfView <aldo@fieldofview.com>
Date: Thu, 3 Aug 2017 10:57:47 +0200
Subject: [PATCH] Fix error about empty qml url

---
 cura/PrinterOutputDevice.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cura/PrinterOutputDevice.py b/cura/PrinterOutputDevice.py
index bf013e4b9f..7a0a91068c 100644
--- a/cura/PrinterOutputDevice.py
+++ b/cura/PrinterOutputDevice.py
@@ -144,6 +144,9 @@ class PrinterOutputDevice(QObject, OutputDevice):
         return self._control_item
 
     def _createControlViewFromQML(self):
+        if not self._control_view_qml_path:
+            return
+
         path = QUrl.fromLocalFile(self._control_view_qml_path)
 
         # Because of garbage collection we need to keep this referenced by python.