From 9f1006f5b95d779ce4f2262fdaac8b552e9dba95 Mon Sep 17 00:00:00 2001
From: "Zheng, Lei" <realthunder.dev@gmail.com>
Date: Sun, 22 Sep 2019 21:09:20 +0800
Subject: [PATCH] assembly: fix error on FC without topo naming

---
 freecad/asm3/assembly.py | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/freecad/asm3/assembly.py b/freecad/asm3/assembly.py
index a3cdcc7..fb4edb8 100644
--- a/freecad/asm3/assembly.py
+++ b/freecad/asm3/assembly.py
@@ -413,11 +413,15 @@ class ViewProviderAsmPartGroup(ViewProviderAsmGroup):
                 return
             vobj.ChildViewProvider = 'PartGui::ViewProviderPartExt'
             cvp = vobj.ChildViewProvider
-            if not cvp.MapTransparency:
-                cvp.MapTransparency = True
-            if not cvp.MapFaceColor:
-                cvp.MapFaceColor = True
-            cvp.ForceMapColors = True
+            try:
+                if not cvp.MapTransparency:
+                    cvp.MapTransparency = True
+                if not cvp.MapFaceColor:
+                    cvp.MapFaceColor = True
+                cvp.ForceMapColors = True
+            except Exception:
+                # exception here is normal for FC without topo naming
+                pass
         vobj.DefaultMode = mode
 
     def replaceObject(self,oldObj,newObj):