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Check global_stack before updating in SettingInheritanceManager

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CURA-3756
This commit is contained in:
Lipu Fei 2017-05-19 15:23:28 +02:00
parent a386e6d867
commit 862cbe0211
1 changed files with 4 additions and 0 deletions
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4
cura/Settings/SettingInheritanceManager.py
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@ -198,6 +198,10 @@ class SettingInheritanceManager(QObject):
def _update(self): def _update(self):
self._settings_with_inheritance_warning = [] # Reset previous data. self._settings_with_inheritance_warning = [] # Reset previous data.
# Make sure that the GlobalStack is not None. sometimes the globalContainerChanged signal gets here late.
if self._global_container_stack is None:
return
# Check all setting keys that we know of and see if they are overridden. # Check all setting keys that we know of and see if they are overridden.
for setting_key in self._global_container_stack.getAllKeys(): for setting_key in self._global_container_stack.getAllKeys():
override = self._settingIsOverwritingInheritance(setting_key) override = self._settingIsOverwritingInheritance(setting_key)