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Account for the fact that global_stack may be empty

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You should not have any models in your scene then though. But oh well. It also fixes the typing.

Contributes to issue CURA-7118.
This commit is contained in:
Ghostkeeper 2020-09-02 03:21:11 +02:00
parent 323be4deff
commit 59bf1c10af
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1 changed files with 2 additions and 1 deletions
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cura/Scene/ConvexHullDecorator.py
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@ -381,7 +381,8 @@ class ConvexHullDecorator(SceneNodeDecorator):
:return: New Polygon instance that is offset with everything that
influences the collision area.
"""
if not self._global_stack: # Should never happen.
return convex_hull
scale_factor = self._global_stack.getProperty("material_shrinkage_percentage", "value") / 100.0
result = convex_hull
if scale_factor != 1.0: