From e9dbf63bb62b14d6501eb9853977b60b73a34261 Mon Sep 17 00:00:00 2001

From: Damian Wrobel <dwrobel@ertelnet.rybnik.pl>

Date: Wed, 6 Sep 2017 20:17:43 +0200

Subject: [dxf2gcode PATCH 3/3] Fix AttributeError - object has no attribute

 'update'

Fixes the following crash:

treehandling.py", line 1154, in actionOnSelectionChange

    g.window.canvas_scene.update()

AttributeError: 'NoneType' object has no attribute 'update'

Aborted (core dumped)

Signed-off-by: Damian Wrobel <dwrobel@ertelnet.rybnik.pl>

---

 source/gui/treehandling.py | 3 ++-

 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/gui/treehandling.py b/source/gui/treehandling.py

index 51126ac..284c38b 100644

--- a/source/gui/treehandling.py

+++ b/source/gui/treehandling.py

@@ -1151,7 +1151,8 @@ class TreeHandler(QWidget):

         selectionEntity = self.ui.entitiesTreeView.selectionModel()

         selectionEntity.select(itemEntitySelection, QItemSelectionModel.Select | QItemSelectionModel.Rows)

-        g.window.canvas_scene.update()

+        if g.window.canvas_scene:

+            g.window.canvas_scene.update()

     def clearToolsParameters(self):

         """

-- 

2.9.5