From d59cd602eed519ff453a517e0bdad4beef901aca Mon Sep 17 00:00:00 2001
From: Jaime van Kessel <nallath@gmail.com>
Date: Thu, 16 Dec 2021 10:00:11 +0100
Subject: [PATCH] FIx failing mypy test

CURA-8083
---
 cura/BuildVolume.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cura/BuildVolume.py b/cura/BuildVolume.py
index 911a542834..fc5691f034 100755
--- a/cura/BuildVolume.py
+++ b/cura/BuildVolume.py
@@ -770,6 +770,8 @@ class BuildVolume(SceneNode):
         self.rebuild()
 
     def _scaleAreas(self, result_areas: List[Polygon]) -> None:
+        if self._global_container_stack is None:
+            return
         for i, polygon in enumerate(result_areas):
             result_areas[i] = polygon.scale(
                 100.0 / max(100.0, self._global_container_stack.getProperty("material_shrinkage_percentage_xy", "value"))