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Fixed issue with first startup

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This commit is contained in:
Jaime van Kessel 2016-12-12 11:00:19 +01:00
parent 8fdc0a40ce
commit 0229fd8676
1 changed files with 5 additions and 4 deletions
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1
cura/Settings/MachineManager.py
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@ -490,6 +490,7 @@ class MachineManager(QObject):
@pyqtProperty("QVariantList", notify = activeMaterialChanged) @pyqtProperty("QVariantList", notify = activeMaterialChanged)
def activeMaterialNames(self): def activeMaterialNames(self):
result = [] result = []
if ExtruderManager.getInstance().getActiveGlobalAndExtruderStacks() is not None:
for stack in ExtruderManager.getInstance().getActiveGlobalAndExtruderStacks(): for stack in ExtruderManager.getInstance().getActiveGlobalAndExtruderStacks():
material_container = stack.findContainer(type="material") material_container = stack.findContainer(type="material")
if material_container and material_container != self._empty_material_container: if material_container and material_container != self._empty_material_container: