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Fix numberExtrudersEnabled returning None

Browse source 
CURA-6931
This commit is contained in:
Lipu Fei 2019-10-28 10:44:21 +01:00
parent b8060f9bb7
commit b360e0db39
1 changed files with 4 additions and 1 deletions
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5
cura/Settings/MachineManager.py
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@ -872,7 +872,10 @@ class MachineManager(QObject):
def numberExtrudersEnabled(self) -> int:
if self._global_container_stack is None:
return 1
return self._global_container_stack.definitionChanges.getProperty("extruders_enabled_count", "value")
extruders_enabled_count = self._global_container_stack.definitionChanges.getProperty("extruders_enabled_count", "value")
if extruders_enabled_count is None:
extruders_enabled_count = len(self._global_container_stack.extruderList)
return extruders_enabled_count
@pyqtProperty(str, notify = extruderChanged)
def defaultExtruderPosition(self) -> str: