From 179b6eeaac0381b5ddc4faa941da981dba4ade30 Mon Sep 17 00:00:00 2001
From: Jaime van Kessel <nallath@gmail.com>
Date: Fri, 10 Jun 2016 13:16:54 +0200
Subject: [PATCH] Fixed issue where not having a machine caused extruder
 retrieval to fail

CURA-1689
---
 cura/ExtruderManager.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cura/ExtruderManager.py b/cura/ExtruderManager.py
index 578905a63a..72b6086e26 100644
--- a/cura/ExtruderManager.py
+++ b/cura/ExtruderManager.py
@@ -71,6 +71,8 @@ class ExtruderManager(QObject):
             return self._extruder_trains[UM.Application.getInstance().getGlobalContainerStack().getBottom().getId()][str(self._active_extruder_index)]
         except AttributeError:
             return None
+        except KeyError:
+            return None
 
     ##  Adds all extruders of a specific machine definition to the extruder
     #   manager.