fix for lightgroup python errors

check whether there actually are lightgroups in the collection before trying to access the active one
juangea · Sep 1, 2019 · e32d31f · e32d31f
1 parent 2ac14c7
commit e32d31f
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/intern/cycles/blender/addon/ui.py b/intern/cycles/blender/addon/ui.py
@@ -947,11 +947,11 @@ def draw(self, context):
             sub.operator("cycles.lightgroup_move", icon='TRIA_UP', text="").direction = 'UP'
             sub.operator("cycles.lightgroup_move", icon='TRIA_DOWN', text="").direction = 'DOWN'
 
-        lg = cycles_view_layer.lightgroups[cycles_view_layer.active_lightgroup]
-        row = layout.row()
-        col = row.column()
-        col.prop(lg, "collection")
-        col.prop(lg, "include_world")
+            lg = cycles_view_layer.lightgroups[cycles_view_layer.active_lightgroup]
+            row = layout.row()
+            col = row.column()
+            col.prop(lg, "collection")
+            col.prop(lg, "include_world")