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authorJaime van Kessel <nallath@gmail.com>2016-10-16 17:14:05 +0300
committerJaime van Kessel <nallath@gmail.com>2016-10-16 17:14:05 +0300
commitcda8fd5827e5f7b78b793198532be58d712d389f (patch)
tree02cfce46d92cc5ae7a1710c75e76a7cd6182a7b2 /cura
parent95f2b84fb5e306fabaadf17723c651b30aaa4e97 (diff)
Revert buttons now work for single extrusion machines again
Diffstat (limited to 'cura')
-rw-r--r--cura/Settings/MachineManager.py7
1 files changed, 4 insertions, 3 deletions
diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py
index 16d748f8d2..08d1bff0e9 100644
--- a/cura/Settings/MachineManager.py
+++ b/cura/Settings/MachineManager.py
@@ -397,9 +397,10 @@ class MachineManager(QObject):
stacks = ExtruderManager.getInstance().getMachineExtruders(self._global_container_stack.getId())
for stack in stacks:
- container = stack.getTop()
- container.removeInstance(key, postpone_emit=True)
- send_emits_containers.append(container)
+ if stack is not None:
+ container = stack.getTop()
+ container.removeInstance(key, postpone_emit=True)
+ send_emits_containers.append(container)
for container in send_emits_containers:
container.sendPostponedEmits()