From 13561bdb46f9371613cb62edfd2b76bb8f7a9bad Mon Sep 17 00:00:00 2001
From: Jaime van Kessel <nallath@gmail.com>
Date: Thu, 30 Mar 2017 10:47:11 +0200
Subject: [PATCH] material_amounts is now defined in init

Somehow this was forgotten, which could cause issues in certain cases.

CURA-3617
---
 cura/PrintInformation.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cura/PrintInformation.py b/cura/PrintInformation.py
index 15cae19ec9..0369f536fa 100644
--- a/cura/PrintInformation.py
+++ b/cura/PrintInformation.py
@@ -75,6 +75,8 @@ class PrintInformation(QObject):
         Application.getInstance().getMachineManager().activeMaterialChanged.connect(self._onActiveMaterialChanged)
         self._onActiveMaterialChanged()
 
+        self._material_amounts = []
+
     currentPrintTimeChanged = pyqtSignal()
 
     preSlicedChanged = pyqtSignal()