Re-apply part of b991743053 that worked

This was indeed a mistake.

Contributes to issues CURA-340 and CURA-1278.
This commit is contained in:
Ghostkeeper 2016-06-07 13:40:49 +02:00
parent 08d116590d
commit 8feed746bf
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GPG key ID: 701948C5954A7385

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@ -57,7 +57,7 @@ class ExtruderManager(QObject):
# \param machine_definition The machine to add the extruders for.
def addMachineExtruders(self, machine_definition):
machine_id = machine_definition.getId()
if not self._extruder_trains[machine_id]:
if machine_id not in self._extruder_trains:
self._extruder_trains[machine_id] = { }
container_registry = UM.Settings.ContainerRegistry.getInstance()