From d74c1e0d7a3d8f44b5cf69af5f985fe0c74f9ef4 Mon Sep 17 00:00:00 2001 From: Ghostkeeper Date: Tue, 27 Mar 2018 09:29:41 +0200 Subject: [PATCH] Don't crash if getting container changed signals before global stack Just don't get any signals. This function should be called again if the global container changed anyway. Contributes to issue CURA-5045. --- cura/Settings/MachineManager.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py index 8695252737..2f8598d9a1 100755 --- a/cura/Settings/MachineManager.py +++ b/cura/Settings/MachineManager.py @@ -925,6 +925,8 @@ class MachineManager(QObject): self.activeQualityChanged.emit() def _getContainerChangedSignals(self) -> List[Signal]: + if self._global_container_stack is None: + return [] stacks = ExtruderManager.getInstance().getActiveExtruderStacks() stacks.append(self._global_container_stack) return [ s.containersChanged for s in stacks ]