Gracefully handle case if no material was found

CURA-2494
This commit is contained in:
Jaime van Kessel 2016-10-05 09:40:16 +02:00
parent e66548099a
commit ad80678bc2

View file

@ -159,7 +159,8 @@ class QualityManager:
else:
material_ids = set()
for material_instance in material_containers:
material_ids.add(material_instance.getId())
if material_instance is not None:
material_ids.add(material_instance.getId())
containers = UM.Settings.ContainerRegistry.getInstance().findInstanceContainers(**criteria)