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Don't crash if the number of extruders in setting doesn't match

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...with the actual number of extruders. These could misalign with Custom FDM Printer or when any of the extruders was deleted because of a configuration format error.

Contributes to issue #3570.
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Ghostkeeper 2018-04-25 09:58:10 +02:00
parent 585888f84a
commit 1af56871e2
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2
cura/Machines/QualityManager.py
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@ -163,7 +163,7 @@ class QualityManager(QObject):
def _updateQualityGroupsAvailability(self, machine: "GlobalStack", quality_group_list):
used_extruders = set()
for i in range(machine.getProperty("machine_extruder_count", "value")):
if machine.extruders[str(i)].isEnabled:
if str(i) in machine.extruders and machine.extruders[str(i)].isEnabled:
used_extruders.add(str(i))
# Update the "is_available" flag for each quality group.