From 58fdbdc4d1978df73571348c0be6c969454022f4 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Thu, 28 Nov 2019 15:44:42 +0100
Subject: [PATCH] pivy: avoid possible segfault when setting None to an
 SoSFImage field

---
 src/Mod/Arch/ArchWall.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Arch/ArchWall.py b/src/Mod/Arch/ArchWall.py
index 5fb1d34586..da1837c194 100644
--- a/src/Mod/Arch/ArchWall.py
+++ b/src/Mod/Arch/ArchWall.py
@@ -1071,7 +1071,9 @@ class _ViewProviderWall(ArchComponent.ViewProviderComponent):
         self.Object = vobj.Object
         from pivy import coin
         tex = coin.SoTexture2()
-        tex.image = Draft.loadTexture(Draft.svgpatterns()['simple'][1], 128)
+        image = Draft.loadTexture(Draft.svgpatterns()['simple'][1], 128)
+        if not image is None:
+            tex.image = image
         texcoords = coin.SoTextureCoordinatePlane()
         s = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch").GetFloat("patternScale",0.01)
         texcoords.directionS.setValue(s,0,0)