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Don't crash when updating material list without global container

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Contributes to issue CURA-5045.
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Ghostkeeper 2018-03-27 09:39:10 +02:00
parent 74a0da14bf
commit 75e993eb60
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1 changed files with 2 additions and 0 deletions
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cura/Settings/MachineManager.py
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@ -1115,6 +1115,8 @@ class MachineManager(QObject):
self._setQualityGroup(candidate_quality_groups[quality_type], empty_quality_changes = True)
def _updateMaterialWithVariant(self, position: Optional[str]):
if self._global_container_stack is None:
return
if position is None:
position_list = list(self._global_container_stack.extruders.keys())
else: